Spyderco Mantra 4 Liner Lock Front Flipper Knife 3.34" Black Oxide Leaf-Shaped Plain Blade, Smooth Black G10 Handles, Reversible Wire Clip - C274GBBKP

$71.25

MSRP* : $95.00 | You Save* : $23.75 (25%)
Part #: SP274GBBKP | Spyderco Knives
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Description

SP274GBBKP: C274GBBKP Mantra 4 - Black G10

Spyderco

Building on the legacy of the Mantra series, the fourth-generation Mantra 4 is a sleek-stylish folding knife with an exceptionally refined front-flipper mechanism. In the closed position, a tiny sliver of the blade's tang stands proud above the spine of the handle. A stroke of the index finger against its textured surface propels the blade swiftly and reliably into the open position. Crafted from 8Cr13MoV stainless steel, the full-flat-ground blade is cloaked in a non-reflective black oxide coating and rides on low-friction ball bearing washers with butter-smooth action. The knife's open-backed handle is built with two contoured G10 scales, one of which is machined to accept a nested stainless steel liner. The skeletonized liner forms the heart of the knife's sturdy liner lock mechanism and is thoughtfully textured for easy lock release. To balance discreet carry and immediate access, the Mantra 4 includes a low-profile deep-pocket wire clip that is reversible for left or right-side tip-up carry.

Specifications

  • Blade Length: 3.34" (85 mm)
  • Cutting Edge: 3.15" (80 mm)
  • Closed Length: 4.27" (108 mm)
  • Overall Length: 7.50" (191 mm)
  • Blade Thickness: 0.089" (2.2 mm)
  • Blade Material: 8Cr13MoV Stainless Steel
  • Blade Style: Leaf-Shaped
  • Blade Grind: Full-Flat
  • Blade Finish: Black Oxide
  • Blade Edge: Plain
  • Handle Material: Smooth G10
  • Handle Color: Black
  • Locking Mechanism: Nested Liner Lock
  • Pocket Clip: Wire (Tip-Up, Left/Right Carry)
  • Model Number: C274GBBKP
  • Model Name: Mantra 4 - Black G10
  • Weight: 1.90 oz. (54 g)
  • Designer: Eric Glesser
  • Made in China

UPC Code: 716104019762

Related Categories

Spyderco Knives, Spyderco Mantra Flippers Series, 8Cr Blade Steel, G10 Handle Material, Folding Knives, Folding Knives Liner Locks, Eric Glesser

Product Steel Type Badge: 8Cr Stainless Steel
Product Clip Type Badge: Pocket Clip
Product Handle Badge: G10 Handles
Spyderco Mantra 4 Liner Lock Front Flipper Knife 3.34" Black Oxide Leaf-Shaped Plain Blade, Smooth Black G10 Handles, Reversible Wire Cliprated 5.000 stars out of 5 (2 reviews)
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Spyderco Mantra 4 Liner Lock Front Flipper Knife 3.34" Black Oxide Leaf-Shaped Plain Blade, Smooth Black G10 Handles, Reversible Wire Clip
rated 5 stars out of 5
Russ
AR
Jun 22, 2026
Pros: Blade Sharpness, Ease of Opening, Handle Feel, Handle Material, Lock Ease of Use, Lock Type, Overall Quality, Sheath, Weight
Cons: Blade Material, Pocket Clip
Premium feel at a great price
This knife is replacing some of my more expensive dailies for a workshop beater knife. This thing is every bit of spiderco quality. Action is great, blade length for days, lightweight. I don’t need a super steel on every knife I use in shipping and receiving work. This price range for a Spyderco knife is great. I did not know it was an inset liner lock either very nice touch.
Spyderco Mantra 4 Liner Lock Front Flipper Knife 3.34" Black Oxide Leaf-Shaped Plain Blade, Smooth Black G10 Handles, Reversible Wire Clip
rated 5 stars out of 5
Rgcgfmt
Great Falls, MT
Jun 18, 2026
Pros: Blade Sharpness, Ease of Opening, Handle Feel, Handle Material, Lock Ease of Use, Lock Type, Overall Quality, Pocket Clip, Weight
Cons: None
Brilliant Budget EDC!
While it's certainly possible to find more knife for the money these days (either in terms of size or improved blade steel), what you're not going to find anywhere else is a design like the Mantra 4. This is 100% Spyderco, and if you're a fan of theirs, you already know what I mean. Excellent ergonomics, smack in the Goldilocks zone for EDC for the majority of people (~3.3" blade, 7.5" OAL), lightweight, economic construction methods, flawless execution of the design. Well done once again, Spyderco!Comes out of the box as sharp as 8Cr13MoV can possibly become. Its ~1.8 ounce weight is immediately noticeable. They accomplish this by using reasonably thin blade stock (2.2mm) and allowing the G10 scale on the left side to perform structural duty, leaving out the liner entirely on that side. Spacers between the scales are thoughtfully spaced to prevent any flexing. The G10 used is the visually attractive peel-ply style. Extremely comfortable in the hand. Jimped thumb ramp. The unusually small flipper works better than one would expect given the design, with the very end of the flipper performing double duty as the liner lock interface. This leaves a somewhat sharp spot for your finger to deal with (not a huge deal), and it does leave the blade's lock interface exposed to potential drop damage, but I think the odds of such a thing are fairly slim. Take care of your knives and they will take care of you! The iconic Spyderco reverse flick is easier to perform with the left hand on the Mantra 4, as there is a cutout on the left side of the frame to allow access to the liner lock, which also allows the left middle finger more purchase for deployment. Though it is far from impossible to flick from the right hand, using the right thumb is easier. Reversible wire pocket clip, lanyard hole with bushing.Overall, a very lithe, lightweight, and well thought-out EDC, very close to perfect for the job, in my opinion. The only thing I would like to see in the future is a model of the Mantra 4 in a blade steel with improved edge retention. While 8Cr13MoV is an excellent economical choice for most people, S30V, S90V, or S110V would work PERFECTLY on this design. That said, I am seldom happier with a knife purchase.
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