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Microtech Amphibian Auto vs Microtech MSI Polymer

EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.

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Command Brief

Recommended read

Microtech MSI Polymer stands out as the lightest option for weight, with about a 17% gap from the closest alternative. Microtech MSI Polymer stands out as the cheapest option for retail price, with about a 37% gap from the closest alternative.

Decision Signals

What stands out

Cheapest

Microtech MSI Polymer stands out as the cheapest option for retail price, with about a 37% gap from the closest alternative.

Most expensive

Microtech Amphibian Auto stands out as the most expensive option for retail price, with about a 59% gap from the closest alternative.

Lightest

Microtech MSI Polymer stands out as the lightest option for weight, with about a 17% gap from the closest alternative.

Heaviest

Microtech Amphibian Auto stands out as the heaviest option for weight, with about a 20% gap from the closest alternative.

Shortest

Microtech MSI Polymer stands out as the shortest option for blade length, with about a 1% gap from the closest alternative.

Longest

Microtech Amphibian Auto stands out as the longest option for blade length, with about a 1% gap from the closest alternative.

Shortest

Microtech MSI Polymer stands out as the shortest option for overall length, with about a 4% gap from the closest alternative.

Longest

Microtech Amphibian Auto stands out as the longest option for overall length, with about a 4% gap from the closest alternative.

Specification Profile

Relative dimensions at a glance

Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.

Microtech Amphibian Auto — Blade length: 99.06 mm (3.90 in)Microtech Amphibian Auto — Overall length: 235.62 mm (9.28 in)Microtech Amphibian Auto — Weight: 170.1 g (6.00 oz)Microtech Amphibian Auto — Retail price: US$337Microtech MSI Polymer — Blade length: 98.5 mm (3.88 in)Microtech MSI Polymer — Overall length: 227 mm (8.94 in)Microtech MSI Polymer — Weight: 142 g (5.01 oz)Microtech MSI Polymer — Retail price: US$212Blade lengthOverall lengthWeightRetail price
Price & carry
Retail price
US$337Most expensive
US$212Cheapest
Weight
170.1 g (6.00 oz)Heaviest
142 g (5.01 oz)Lightest
Dimensions
Blade length
99.06 mm (3.90 in)Longest
98.5 mm (3.88 in)Shortest
Overall length
235.62 mm (9.28 in)Longest
227 mm (8.94 in)Shortest
Closed length
137.16 mm (5.40 in)
Unknown
Blade thickness
Unknown
4.1 mm (0.16 in)
Materials & mechanism
Blade steel
Bohler M390MK stainless steel
M390MK
Handle material
G10 (fluted black)
Polymer
Finish
Stonewash (one version), Apocalyptic (another version)
Apocalyptic or Stonewash depending on model
Lock type
Ram-Lok (crossbar lock)
RAM-LOK Bar Lock
Opening method
Thumb Stud
Unknown
Clip type
Reversible titanium tip-up pocket clip
Reversible Pocket Clip
Use case profile
Best for
Everyday carryHeavy-duty EDCAmbidextrous use
Everyday CarryHeavy-Duty UseUtilityOutdoorEmergency Personnel
Not best for
Unknown
Unknown
Common praise
Innovative Ram-Lok crossbar lock for secure and smooth operation.High-quality Bohler M390MK blade steel.Ambidextrous thumb stud and reversible pocket clip allows left or right carry.Durable fluted black G10 or titanium handle with secure grip.Made in the USA with high craftsmanship.
Robust and reliable RAM-LOK locking mechanismExcellent edge retention and corrosion resistance of M390MK steelAmbidextrous one-handed operationGood grip and handle texturesPremium USA manufacturing quality
Common complaints
Unknown
Unknown

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