Best Auto Opening Knives for EDC and Outdoor Use
A strong choice in this group offers a clearly described opening style, a blade suited to your tasks, and a handle and weight you can carry comfortably. The Smith & Wesson MPOTF10 Gray/Black Serrated is the clearest match for buyers seeking an OTF-style option, while several other picks are explicitly assisted-opening folders or button-lock designs. Those mechanisms are not interchangeable, so check the product description and your local rules before choosing.
The lineup ranges from a 3-inch blade on the Kershaw Camshaft to a listed 4.33-inch blade on the HUAAO Push Button Knife, with weights from 3.1 to 7.76 ounces where supplied. Compare mechanism, blade edge, and carry dimensions against your intended use rather than treating every fast-opening folder as the same type of knife.
The Smith & Wesson MPOTF10 Gray/Black Serrated leads this roundup because its name explicitly identifies it as an OTF knife, and its listed details include a 3.5-inch AUS-8 stainless steel spear-point blade, safety lock, and hardened glass breaker. That makes it the strongest match here for a buyer specifically seeking an auto-opening style. If you prefer an explicitly assisted folder, the Smith & Wesson SWMP4LS has M.A.G.I.C.
assisted opening, while the Kershaw Camshaft is another assisted option with a more compact 3-inch blade.
Our Top Picks
Best OverallIts title identifies an OTF design, and the 3.5-inch AUS-8 spear-point blade, safety lock, and glass breaker give it a strong feature set.
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Longest Listed BladeThe push-button description fits fast-opening searches, and its listed 4.33-inch serrated hawkbill blade is the longest stated blade here.
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Compact Button LockGeneric Push Button Lock Knife
Its listing describes a push-button lock and gives a compact 17-centimeter overall length, 7-centimeter 440C blade, and T6 aluminum handle.
View on Amazon- Assisted Opening Smith & Wesson SWMP4LS
Compare these auto-opening knife options
| # | Product | Weight | Handle Material | Blade Material | Size | Buy |
|---|---|---|---|---|---|---|
| 1 | 1. Smith & Wesson MPOTF10Best Overall | 5.6 oz | — | — | 8.66" | View on Amazon |
| 2 | 2. HUAAO Push Button KnifeLongest Listed Blade | 2.88 oz | Aluminum | Alloy Steel | 4.3" | View on Amazon |
| 3 | 3. Generic Push Button Lock KnifeCompact Button Lock | — | T6 aviation aluminum | Stainless Steel | 6.69 in | View on Amazon |
| 4 | 4. Smith & Wesson SWMP4LSAssisted Opening | 6.4 oz | Aluminum | Stainless Steel | 3.6" | View on Amazon |
| 5 | 5. Kershaw CamshaftLightweight everyday carry | 3.1 oz | Glass Reinforced Nylon | Stainless Steel | 3" | View on Amazon |
| 6 | 6. Generic Green Button LockCompact button-opening carry | — | Aluminum | Alloy Steel | 6.7in | View on Amazon |
| 7 | 7. Grand Way 6688Heavy-duty tanto carry | 7.76 oz | Metal | Stainless Steel | 3.5" | View on Amazon |
| 8 | 8. HUAAO Assisted Pocket KnifeG10 grip for camp chores | 5.25 oz | Fiberglass | Stainless Steel | 3" | View on Amazon |
| 9 | 9. Kershaw BlurRecurve blade multitasking | 4.16 oz | Aluminum | Sandvik 14C28N | 3.4" | View on Amazon |
| 10 | 10. Smith & Wesson Extreme OpsLightweight serrated folder | 3.52 oz | Aluminum | High Carbon Stainless Steel | 3.1" | View on Amazon |
Detailed Reviews: Best Auto Opening Knives

#1 · Best Overall
1. Smith & Wesson MPOTF10
- Weight: 5.6 oz
- Size: 8.66"
Best for: Emergency glass-breaker carry.
Why it ranks #1: Its title identifies an OTF design, and the 3.5-inch AUS-8 spear-point blade, safety lock, and glass breaker give it a strong feature set.
A hardened glass breaker adds an emergency-oriented function to the Smith & Wesson MPOTF10, setting it apart from a basic cutting folder. The 3.5-inch serrated spear-point blade has an AUS-8 stainless steel construction and black oxide finish, while the aluminum handle and safety lock round out its tactical-style setup.
The serrated 3.5-inch spear point offers a longer cutting edge for buyers who prefer serrations, and the black oxide finish gives the blade its listed tactical appearance. An aluminum handle pairs with a hardened glass breaker for an emergency-focused carry role. The safety lock is specified as a protection feature, and the knife measures 8.66 inches overall. These features suit users who want both a cutting tool and a glass-breaking point in one folder.
- Hardened glass breaker
- 3.5-inch serrated spear-point blade
- AUS-8 stainless steel blade
- Aluminum handle with safety lock
- Its 8.66-inch overall length makes it a large folder.
Skip it if you want a compact 3-inch folder; the Kershaw Camshaft has a shorter blade and weighs 3.1 ounces.
Consider the MPOTF10 for buyers who value a serrated blade and glass breaker in an emergency-oriented folder. Its 8.66-inch overall length and 3.5-inch blade are substantial, so those seeking a compact everyday carry should look elsewhere.
Full product details
| Brand | Smith & Wesson |
|---|---|
| Color | Gray |
| Included Components | Knife |
| Item Dimensions LxWxH | 1 x 1 x 1 inches |
| Item Package Dimensions L x W x H | 13.23 x 10.31 x 2.05 inches |
| Item Weight | 5.6 ounces |
| Manufacturer | Battenfeld Technologies, Inc. |
| Material | Steel |
| Model | MPOTF10 Serrated Grey |
| Package Weight | 0.29 kg |
| Size | 8.66" |
| Style | Modern |
| Warranty Description | Limited Lifetime |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: Smith & Wesson MPOTF10 Gray/Black Serrated – Box
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#2 · Longest Listed Blade
2. HUAAO Push Button Knife
- Weight: 2.88 oz
- Handle Material: Aluminum
- Blade Material: Alloy Steel
- Size: 4.3"
Best for: Serrated hawkbill task cutting.
Why it ranks #2: The push-button description fits fast-opening searches, and its listed 4.33-inch serrated hawkbill blade is the longest stated blade here.
A serrated hawkbill blade gives the HUAAO Push Button Knife a specialized cutting shape for buyers handling precise tasks. Its push-button locking mechanism and aluminum handle complement a folding design, while the deep-carry pocket clip supports portable storage for hiking, hunting, or everyday use.
The listing specifies a 4.33-inch 8Cr13MoV blade with a serrated hawkbill shape, making the profile the central consideration for choosing this knife over a conventional clip point. The push-button mechanism provides the listed locking operation, and the gray aluminum handle offers a metal grip. A deep-carry clip supports discreet pocket storage, while the folding format helps portability. At 7.01 ounces net, it is a substantial knife despite its carry-oriented clip.
- Serrated hawkbill blade
- 8Cr13MoV blade material
- Push-button locking mechanism
- Deep-carry pocket clip
- At 7.01 ounces net, it is a heavy carry option.
Skip it if you want a lighter conventional clip point; the Kershaw Camshaft weighs 3.1 ounces and has a clip-point blade.
This HUAAO suits buyers whose cutting tasks benefit from a serrated hawkbill profile and who want a push-button lock with deep-carry storage. Its 7.01-ounce net weight and specialized blade shape are poor fits for light, general-purpose carry.
Full product details
| Brand | HUAAO |
|---|---|
| Blade Length | 4.33 inches |
| Blade Material | Alloy Steel |
| Blade Shape | Hawkbill |
| Blade Type | Serrated |
| Color | grey |
| Handle Material | Aluminum |
| Included Components | Pocket Clip |
| Item Weight | 2.88 ounces |
| Manufacturer | HUAAO |
| Model | Push Button Knife |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Camping, Hiking, Hunting |
| Size | 4.3" |
| Special Feature | Adjustable |
| Special Features | Adjustable |
| Style | American |
Listed on Amazon as: HUAAO Push Button Knife, Spring Assisted Opening, EDC Folding Pocket knives For Men,2.08 inch 8Cr13Mov Hawkbill Blade,gray aluminum handle,With Deep Carry Pocket Clip
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#3 · Compact Button Lock
3. Generic Push Button Lock Knife
- Handle Material: T6 aviation aluminum
- Blade Material: Stainless Steel
- Size: 6.69 in
Best for: Compact button-lock folder.
Why it ranks #3: Its listing describes a push-button lock and gives a compact 17-centimeter overall length, 7-centimeter 440C blade, and T6 aluminum handle.
A 60-gram net weight and 7-centimeter reverse-tanto blade make this compact push-button-lock knife easy to carry without taking up much pocket space. The T6 aviation-aluminum handle provides a lightweight metal grip, while the blackwashed 440C blade is specified for corrosion resistance in outdoor use.
The 17-centimeter overall length and 10-centimeter handle give the knife a compact folded-carry format, and its belt clip supports pocket or belt carry. The 440C reverse-tanto blade measures 7 centimeters and is described as corrosion resistant, a helpful property for outdoor exposure. A push-button lock supplies the listed locking operation, while the aluminum handle keeps net weight to 60 grams. Buyers should note that the supplied facts describe a push-button lock, not a spring-assisted opening mechanism.
- 60-gram net weight
- 7-centimeter 440C reverse-tanto blade
- T6 aviation-aluminum handle
- Belt clip included
- The listing does not specify spring-assisted opening.
Skip it if you require explicitly listed spring assistance; the Grand Way 6688 specifies spring-assisted opening.
This knife suits buyers who want a compact folder with a button lock, belt clip, and corrosion-resistant reverse-tanto blade for camping or emergency carry. Choose it for its small format, not when explicitly specified spring assistance is essential.
Full product details
| Brand | Generic |
|---|---|
| Blade Material | Stainless Steel |
| Blade Shape | Reverse Tanto |
| Blade Type | Reverse Tanto |
| Color | Black |
| Handle Material | T6 aviation aluminum |
| Included Components | Belt Clip |
| Model | Push Button Lock Knife |
| Recommended Uses | Bushcrafting, Camping, Emergency |
| Size | 6.69 inches |
| Special Feature | Foldable |
| Special Features | Foldable |
| Style | Compact |
Listed on Amazon as: Push Button Lock Knife, Tactical EDC Folding Knife, Black Stonewashed Reverse Tanto Blade Aluminum Handle Outdoor Hunting Camping Knives With Reversible Deep Carry Pocket Clip For Men
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#4 · Assisted Opening
4. Smith & Wesson SWMP4LS
- Weight: 6.4 oz
- Handle Material: Aluminum
- Blade Material: Stainless Steel
- Size: 3.6"
Best for: Assisted serrated utility.
Why it ranks #4: M.A.G.I.C. assisted opening is explicitly described, paired with a 3.6-inch partially serrated blade, aluminum handle, and pocket clip.
M.A.G.I.C. assisted opening gives the Smith & Wesson SWMP4LS quick access to its 3.6-inch partially serrated blade. A flipper and finger actuator provide opening controls, while the black aluminum handle with rubber inlay and pocket clip make it a substantial carry option for buyers who want a secure grip.
The 4034 black oxide high-carbon stainless blade combines plain and serrated sections, giving users two edge styles in one drop-point profile. M.A.G.I.C. assisted opening works alongside the flipper and finger actuator for access, and the pocket clip supports everyday carry. The rubber inlay on the aluminum handle adds a grip-oriented detail. At 8.6 inches overall, it is a full-size folder; hand washing is the listed care instruction.
- M.A.G.I.C. assisted opening
- 3.6-inch partially serrated blade
- Flipper and finger actuator
- Aluminum handle with rubber inlay
- Its 8.6-inch overall length is sizable for pocket carry.
Skip it if you prefer a lighter, shorter folder; the Kershaw Camshaft is 3.1 ounces with a 3-inch blade.
The SWMP4LS suits buyers who want assisted access, a mixed-edge blade, and a rubber-inlay handle for outdoor or everyday tasks. Its 8.6-inch overall length and substantial feel make it less suited to minimal-pocket carry.
Full product details
| Brand | Smith & Wesson |
|---|---|
| Blade Edge | Plain/Serrated |
| Blade Material | Stainless Steel |
| Blade Shape | Drop Point |
| Blade Type | Clip Point |
| Color | Black |
| Handle Material | Aluminum |
| Included Components | Knife |
| Item Weight | 6.4 ounces |
| Manufacturer | Smith & Wesson |
| Model | SWMP4LS |
| Model Number | SWMP4LS |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Fighting |
| Size | 3.6" |
| Special Feature | Foldable |
| Special Features | Foldable |
| Style | Partially Serrated Edge |
| Warranty Description | Limited Lifetime, https://store.smith-wesson.com/warranty-info.html |
Listed on Amazon as: Smith & Wesson SWMP4LS 8.6in S.S. Assisted Folding Knife with 3.6in Serrated Clip Point Blade and Aluminum Handle for Outdoor Tactical Survival and EDC , Black
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#5
5. Kershaw Camshaft
- Weight: 3.1 oz
- Handle Material: Glass Reinforced Nylon
- Blade Material: Stainless Steel
- Size: 3"
Best for: Lightweight everyday carry.
Why it ranks #5: This is explicitly an assisted folder, with a manageable 3-inch 4Cr14 clip-point blade and a 3.1-ounce listed weight.
A 3-inch clip-point blade paired with assisted folder opening gives the Kershaw Camshaft a practical mix of controlled cutting and quicker access. Its textured glass-filled nylon handle keeps the package at 3.1 ounces, making it a sensible choice for everyday carry and campsite tasks where a manageable pocket knife matters.
The plain-edge 4Cr14 stainless blade is described as easy to resharpen and able to hold its edge, a useful combination for regular cutting chores and upkeep. Its stonewashed finish helps hide scratches, while the textured glass-filled nylon handle supplies a comfortable grip. The reversible clip adds carry-position flexibility, and the 3-inch blade avoids the bulk of a larger folder. Hand washing is the specified care method, so it suits buyers willing to clean it by hand.
- Assisted folder opening
- 3-inch plain-edge 4Cr14 clip-point blade
- Textured glass-filled nylon handle
- Reversible pocket clip
- Hand washing is specified for care.
Skip it if you need a serrated edge for rope; this Camshaft has a plain-edge blade.
Choose the Camshaft for daily carry, camping chores, and buyers who value assisted access in a lightweight folder. Its 3-inch plain-edge blade favors general cutting over serrated work, and hand washing is the listed care routine.
Full product details
| Brand | Kershaw |
|---|---|
| Blade Edge | Plain |
| Blade Material | Stainless Steel |
| Blade Shape | Clip Point |
| Blade Type | Clip Point |
| Color | Black |
| Handle Material | Glass Reinforced Nylon |
| Included Components | Pocket Knife |
| Item Weight | 3.1 ounces |
| Manufacturer | Kershaw |
| Model | Camshaft |
| Model Number | 1370 |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Camping |
| Size | 3" |
| Special Feature | Reversible |
| Special Features | Reversible |
| Style | Pocketknife |
| Warranty Description | Limited Lifetime |
| Additional Information | Important information |
Listed on Amazon as: Kershaw Camshaft Pocket Knife; 3" 4Cr14 Steel Blade; Assisted Folder Opening Knife; Outdoor, EDC,black
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#6
6. Generic Green Button Lock
- Handle Material: Aluminum
- Blade Material: Alloy Steel
- Size: 6.7in
Best for: Compact button-opening carry.
Why it ranks #6: The listing calls out button opening and a reversible clip, with a 2.75-inch blade and stated 6.69-inch overall length.
A 6.69-inch overall length and 60-gram net weight give this folding button-lock knife a compact carry profile for camping, fishing, and other outdoor tasks. Its 2.75-inch clip-point blade and aluminum handle keep the package small, while the reversible pocket clip allows carry on either side.
The listed 2.75-inch blade and 3.93-inch handle create a compact folding format, while the button-opening feature provides quick access and the lock secures the blade. An aluminum handle and reversible clip support pocket carry with a choice of clip orientation. The product information identifies 8Cr13MoV in the title but 440C in the feature text, so buyers should treat the precise blade steel as unclear. Hand washing is the specified care method.
- Button opening and locking
- 2.75-inch clip-point blade
- Reversible pocket clip
- 60-gram net weight listed
- Blade steel is inconsistent: the title says 8Cr13MoV; features say 440C.
Skip it if you need an unambiguous blade-steel specification; the Kershaw Camshaft lists a 4Cr14 blade.
This compact folder suits buyers who prioritize button opening, a reversible clip, and low listed net weight for outdoor carry. Its blade-steel description conflicts between title and features, so it is a poor fit if steel identification is decisive.
Full product details
| Brand | Generic |
|---|---|
| Blade Edge | Compound Bevel |
| Blade Material | Alloy Steel |
| Blade Shape | Clip Point |
| Blade Type | Spring-Assisted |
| Color | Green |
| Handle Material | Aluminum |
| Included Components | Pocket Clip |
| Manufacturer | Generic |
| Model | 6.7in EDC Pocket Folding Knife |
| Model Number | F47 7550 green css |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Camping, Fishing, Hiking, Hunting, Peeling |
| Size | 6.7in |
| Special Feature | Button Opening,Lightweight,Locking,Reversible Clip,Pocket |
| Special Features | Button Opening,Lightweight,Locking,Reversible Clip,Pocket |
| Style | American |
Listed on Amazon as: Generic 6.7in EDC Pocket Folding Knife, Assisted Button lock knife Knife for Men, 8Cr13Mov Blade, Aviation Aluminum Green Handle with Belt Clip, Portable for Camping Survival
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#7
7. Grand Way 6688
- Weight: 7.76 oz
- Handle Material: Metal
- Blade Material: Stainless Steel
- Size: 3.5"
Best for: Heavy-duty tanto carry.
Why it ranks #7: Its spring-assist feature suits the search, and it offers a 3.54-inch 440 stainless steel tanto blade with a liner lock.
A 3.54-inch tanto blade hardened to 60 HRC gives the Grand Way 6688 a firm cutting profile for buyers who want a substantial assisted folder. Its liner lock holds the blade open during work, while the 7.76-ounce weight and 8.66-inch overall length make this a larger, heavier pocket option.
The 440 stainless steel blade has a TI-NI coating and the listing specifies 60 HRC hardness, which supports a durable cutting setup for utility, camping, or hunting tasks. Spring-assisted opening provides quicker access, and the liner lock keeps the blade open while working. At 7.76 ounces, this is not a minimal-weight carry choice; the pocket clip offers a practical way to carry a full-size folder. Hand washing is the stated care method.
- Spring-assisted opening
- 3.54-inch 440 stainless steel tanto blade
- Blade specified at 60 HRC
- Liner lock secures the open blade
- At 7.76 ounces, it is a heavy pocket carry.
Skip it if you prioritize a light pocket load; the Smith & Wesson Extreme Ops SWA24S weighs 3.5 ounces.
The Grand Way 6688 fits buyers seeking a full-size assisted tanto for camping, hunting, or utility use, especially those who value its liner lock. Its 7.76-ounce weight and 3.54-inch blade make compact, light carry a poorer fit.
Full product details
| Brand | Grand Way |
|---|---|
| Blade Length | 3.54 inches |
| Blade Material | Stainless Steel |
| Blade Shape | Tanto Point |
| Blade Type | Tanto |
| Color | 2. ARMY GREEN |
| Handle Material | Metal |
| Included Components | Paracord Rope, Pocket Clip, Screwdriver |
| Item Weight | 7.76 ounces |
| Manufacturer | Grand Way |
| Model | 6688 |
| Model Number | 6688 |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Bushcrafting, Camping, Emergency, Fighting, Fishing, Hiking, Hunting, Military, Survival, Tactical, Utility See more |
| Size | 3.5" |
| Special Feature | Foldable, Spring Assist |
| Special Features | Foldable, Spring Assist |
| Style | Modern |

#8
8. HUAAO Assisted Pocket Knife
- Weight: 5.25 oz
- Handle Material: Fiberglass
- Blade Material: Stainless Steel
- Size: 3"
Best for: G10 grip for camp chores.
Why it ranks #8: This listing specifies assisted opening and a 3-inch 440C clip-point blade, though its lock-back description makes the opening details less clear.
A 440C clip-point blade and textured stainless-steel-and-G10 handle give this assisted folder a practical combination for campsite cutting. The back-lock design is listed to help secure the blade, while the 3-inch blade length and belt clip keep the knife suited to routine outdoor carry rather than oversized cutting jobs.
The 440C stainless blade is described as strong, corrosion resistant, and able to retain its edge, which supports repeated outdoor cutting and slicing. Its clip-point shape is also described as useful for detail work, giving the blade a more controlled role for smaller tasks. A slightly textured G10 and stainless-steel handle provides an anti-slip grip, while the back lock secures the blade. The listed belt clip makes it easier to carry between camp chores.
- Assisted opening
- 3-inch 440C clip-point blade
- Textured G10 and stainless-steel handle
- Back-lock design
- The 3-inch blade is shorter than many full-size folders.
Skip it if you need a longer blade for larger cutting jobs; the Grand Way 6688 has a 3.54-inch blade.
Choose this folder for camping and everyday cutting when a 3-inch blade, textured grip, and back lock match your needs. Its compact blade length limits reach compared with larger folders, so it is not the choice for longer cuts.
Full product details
| Brand | Generic |
|---|---|
| Blade Length | 3 inches |
| Blade Material | Stainless Steel |
| Blade Shape | Clip Point |
| Blade Type | clip point |
| Color | brown |
| Handle Material | Fiberglass |
| Included Components | Lock |
| Item Weight | 5.25 ounces |
| Manufacturer | HUAAO |
| Model | Assisted Opening Pocket Knife for Men |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Camping |
| Size | 3" |
| Special Feature | Belt Clip |
| Special Features | Belt Clip |
| Style | Modern |
Listed on Amazon as: Assisted Opening Pocket Knife for Men, 440C Stainless Steel Blade, Lock-back Pocket Knife with G10 Handle, EDC Folding Knife for Camping
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#9
9. Kershaw Blur
- Weight: 4.16 oz
- Handle Material: Aluminum
- Blade Material: Sandvik 14C28N
- Size: 3.4"
Best for: Recurve blade multitasking.
Why it ranks #9: A 3.4-inch 14C28N recurve blade and aluminum handle are specified, but the supplied details do not identify its opening as automatic or assisted.
A 3.4-inch recurve blade gives the Kershaw Blur a distinctive profile for buyers who want a versatile everyday cutter. Sandvik 14C28N steel, a black Cerakote finish, and an anodized aluminum handle make it a more substantial feature set than a basic plain folder, at 4.16 ounces.
The plain-edge 14C28N blade is described as durable, easy to resharpen, and able to hold its edge, supporting repeated everyday or work cutting. Its recurve shape is presented for multitasking, while the Cerakote finish adds corrosion and wear resistance. The anodized aluminum handle combines durability with a manageable 4.16-ounce carry weight. Hand washing is the listed care method. The supplied information does not specify assisted opening, so buyers seeking that mechanism should verify the opening style before choosing.
- 3.4-inch recurve plain-edge blade
- Sandvik 14C28N steel
- Cerakote finish for corrosion and wear resistance
- Anodized aluminum handle
- The supplied details do not specify an assisted-opening mechanism.
Skip it if you require listed spring assistance; the Kershaw Camshaft explicitly identifies assisted folder opening.
The Blur fits buyers seeking a recurve blade for everyday and work cutting, with a durable steel and protective coating. The supplied facts do not establish assisted opening, so it is not the clearest match when that mechanism is essential.
Full product details
| Brand | Kershaw |
|---|---|
| Blade Edge | Plain |
| Blade Material | Sandvik 14C28N |
| Blade Shape | Drop Point |
| Blade Type | Drop Point |
| Color | Black |
| Handle Material | Aluminum |
| Included Components | 1560 hunting-folding-knives |
| Item Weight | 4.16 ounces |
| Manufacturer | Kershaw |
| Model | 1670BLK |
| Model Number | 1670BLK |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Everyday, Work |
| Size | 3.4" |
| Special Feature | Stainless Steel,Durability,Stainless Steel Blade,Reversible |
| Special Features | Stainless Steel,Durability,Stainless Steel Blade,Reversible |
| Style | Modern |
| Warranty Description | Limited Lifetime Kershaw |
| Additional Information | Important information |
Listed on Amazon as: Kershaw Blur Pocket Knife, Black, 3.4 Inch Recurve Blade
View on Amazon
#10
10. Smith & Wesson Extreme Ops
- Weight: 3.52 oz
- Handle Material: Aluminum
- Blade Material: High Carbon Stainless Steel
- Size: 3.1"
Best for: Lightweight serrated folder.
Why it ranks #10: Its finger flipper and thumb knobs describe manual opening rather than automatic or assisted action, making it the weakest keyword fit.
At 3.5 ounces, the Smith & Wesson Extreme Ops SWA24S offers a light carry format with a 3.1-inch serrated clip-point blade. Its finger flipper and ambidextrous thumb knobs give users multiple listed access points, while the liner lock holds the blade open during cutting.
The 7Cr17MoV black oxide high-carbon stainless blade combines a serrated edge with a clip-point profile, suited to buyers who prefer that edge style for utility work. The finger flipper and ambidextrous thumb knobs support access from either hand, and the liner lock secures the open blade. A black aluminum handle and pocket clip complete a 7.1-inch overall package weighing 3.5 ounces. This is a folding knife with listed opening controls, not stated spring assistance.
- 3.1-inch serrated clip-point blade
- Ambidextrous thumb knobs
- Finger flipper and liner lock
- 3.5-ounce weight
- Spring-assisted opening is not specified.
Skip it if you need an explicitly assisted mechanism; the Smith & Wesson SWMP4LS lists M.A.G.I.C. assisted opening.
The SWA24S works for buyers who want a lightweight serrated utility folder with ambidextrous thumb knobs and a liner lock. It fits conventional flipper access, but the supplied features do not confirm spring-assisted opening.
Full product details
| Brand | Smith & Wesson |
|---|---|
| Blade Material | High Carbon Stainless Steel |
| Blade Shape | Clip Point |
| Blade Type | Serrated |
| Color | Black |
| Handle Material | Aluminum |
| Included Components | Knife |
| Item Weight | 3.52 ounces |
| Manufacturer | Taylor Brands LLC |
| Model | SWA24S |
| Model Number | SWA24S |
| Care Instructions | Hand Wash Only |
| Recommended Uses | Utility |
| Size | 3.1" |
| Special Feature | Lightweight |
| Special Features | Lightweight |
| Style | Box |
| Warranty Description | Limited Lifetime, https://store.smith-wesson.com/warranty-info.html |
| Wattage | 1 Milliwatts |
Listed on Amazon as: Smith & Wesson Accessories Extreme Ops SWA24S 7.1in S.S. Folding Knife with 3.1in Serrated Clip Point Blade and Aluminum Handle for Outdoor, Tactical, Survival and EDC
View on AmazonOpening labels are not interchangeable
An OTF label, a push-button lock, and spring-assisted opening do not necessarily describe the same action. The Smith & Wesson MPOTF10 title identifies an OTF design, while the Kershaw Camshaft and Smith & Wesson SWMP4LS explicitly describe assisted opening. The HUAAO Push Button Knife and Generic Push Button Lock Knife use push-button language, but their supplied details do not consistently explain whether the button deploys the blade, releases the lock, or does both.
That ambiguity matters: buyers should verify the manufacturer’s operating instructions and local rules rather than infer the mechanism from a button or lock name alone. A product title can be a useful clue, but it is not a substitute for confirmed mechanism details.
If the exact action is essential, prioritize listings that state it plainly and verify before purchase.
Check blade measurements before comparing size
The stated blade lengths in this lineup vary enough that a quick size check can prevent a poor fit. The Kershaw Camshaft lists a 3-inch blade; the Smith & Wesson MPOTF10 lists 3.5 inches; and the HUAAO Push Button Knife lists 4.33 inches. However, listings are not perfectly consistent: the HUAAO title calls its blade 2.08 inches, while its key features and specifications say 4.33 inches.
The Generic Green Button Lock also gives a 2.75-inch blade in its dimensions, but not in the specifications summary. Treat conflicting measurements as something to confirm directly with the seller or manufacturer, especially when carry limits or a particular task make blade length important.
Also compare blade shape and edge: a serrated hawkbill is a different cutting profile from a plain clip point.
How to Choose an Auto-Opening Knife
Opening mechanism
Choose a knife whose described action matches what you mean by auto opening. This set includes an OTF-identified Smith & Wesson MPOTF10, explicitly assisted models such as the Kershaw Camshaft and Smith & Wesson SWMP4LS, and push-button listings such as the HUAAO Push Button Knife. Some entries, including the Smith & Wesson Extreme Ops, describe a finger flipper and thumb knobs instead of automatic or assisted action.
Buyers who specifically want OTF should focus on the MPOTF10 and confirm its operation; those comfortable with assisted folders have clearer alternatives in the Camshaft or SWMP4LS. Button wording alone is not enough to establish how deployment works, so verify unclear listings before ordering.
Blade length, shape, and edge
Match the blade dimensions and profile to the cutting tasks and any applicable carry restrictions. Stated lengths range from 2.75 inches on the Generic Green Button Lock to 4.33 inches on the HUAAO Push Button Knife, although that HUAAO listing has a conflicting 2.08-inch title figure. The Kershaw Camshaft’s 3-inch plain clip point is a moderate, general-purpose option; the Smith & Wesson MPOTF10 has a 3.5-inch spear point; and the Smith & Wesson SWMP4LS has a 3.6-inch partially serrated blade.
Buyers prioritizing a smaller listed blade may prefer the Generic Green Button Lock, while those wanting a serrated profile may consider the MPOTF10 or HUAAO hawkbill, after checking the measurement.
Carry weight and handle
Consider both stated weight and handle material when deciding whether a knife suits regular carry. Listed weights span 3.1 ounces for the Kershaw Camshaft to 7.76 ounces for the Grand Way 6688; the Kershaw Blur is listed at 4.16 ounces, and the Smith & Wesson MPOTF10 at 5.6 ounces in its specifications. Handle materials also vary, including glass-reinforced nylon on the Camshaft, aluminum on several models, and metal and plastic on the Grand Way.
A buyer looking to minimize listed carry weight can start with the Camshaft or Smith & Wesson Extreme Ops at 3.52 ounces. Those who prefer an aluminum handle have options such as the Blur and MPOTF10, while the heavier Grand Way may suit buyers who prioritize its larger tanto blade.
Which Auto-Opening Knife Should You Choose?
For the clearest OTF match, choose the Smith & Wesson MPOTF10: it is identified as OTF and lists a 3.5-inch AUS-8 blade, safety lock, and glass breaker. If you want assisted opening instead, the Smith & Wesson SWMP4LS has M.A.G.I.C. assisted opening and a 3.6-inch partially serrated blade; the Kershaw Camshaft is a lighter, 3-inch assisted-folder alternative.
For a button-style design with a compact stated length, consider the Generic Push Button Lock Knife, but confirm the mechanism details. The HUAAO Push Button Knife offers the longest listed blade, though its title and specifications conflict on length.
If your priority is a manual flipper rather than auto opening, the Smith & Wesson Extreme Ops is a poor match for this keyword. Check local carry rules and verify unclear specifications before buying.
Frequently Asked Questions
What is the difference between an automatic, OTF, and spring-assisted knife?
An automatic knife opens through a mechanism activated by a button, switch, or similar control. OTF means the blade travels out of the front of the handle; it describes a knife’s layout, not necessarily its opening mechanism. A spring-assisted knife starts opening manually, then a spring helps move the blade.
Check each product’s mechanism description.
Are automatic and assisted-opening knives legal to carry where I live?
Rules depend on your location and may distinguish automatic knives from spring-assisted knives. Restrictions can also vary by blade length, carry method, age, and where you carry the knife. Check current local and state or national rules before buying or carrying; do not assume a product listing establishes that it is legal for you.
How should I maintain a folding knife's opening mechanism and lock?
Keep the blade, pivot, and lock area clean and dry, and remove debris according to the maker’s instructions. Use only a small amount of suitable lubricant if recommended. Check that the lock engages reliably and the blade has no unusual play.
Stop using the knife if the mechanism or lock seems damaged or unreliable.
What should I verify when a knife listing has unclear or conflicting details?
Confirm the blade length, opening mechanism, and lock type against the manufacturer’s information before buying. The HUAAO title and listed blade length conflict, while the Generic push-button listing does not fully establish its mechanism details. If a feature matters to your choice, do not rely on an unclear title alone.
How can I choose between an assisted folder and an OTF design?
Choose based on the mechanism you specifically want and the listed features. The MPOTF10 is identified as OTF and lists a 3.5-inch AUS-8 blade, safety lock, and glass breaker. The SWMP4LS and Camshaft are assisted options; their listed blades are 3.6 and 3 inches, respectively.
Verify details and local rules before deciding.
Final Words
For the clearest match to an auto-opening style, choose the Smith & Wesson MPOTF10: it is identified as OTF and lists a 3.5-inch AUS-8 blade, safety lock, and glass breaker. Prefer assisted opening? The SWMP4LS has a 3.6-inch partially serrated blade, while the Camshaft offers a 3-inch blade.
Consider the button-style options only after verifying unclear details, and check local carry rules before buying.
