Microtech MSI Ram-Lok Knife M390MK 3.9"

Why the Microtech MSI Changed the EDC Knife Market

The Microtech MSI (Microtech Standard Issue) marked a major shift for Microtech, bringing the company's premium manufacturing, innovative engineering, and USA-made quality to a hard-use folding knife platform designed for everyday carry. With its rugged sheepsfoot blade, ambidextrous controls, and exceptional cutting performance, the MSI quickly became one of the most talked-about knives in the EDC community. Today, it remains one of the flagship models in Microtech's expanding RAM-LOK lineup.

Microtech RAM-LOK: A Stronger Take on Crossbar-Style Locking

At the heart of the MSI is Microtech's RAM-LOK mechanism, an ambidextrous locking system that feels familiar to fans of traditional crossbar-style locks while improving the design with a coil spring setup. Unlike omega springs, which are known to be a common failure point on some crossbar locks, the RAM-LOK's coil spring design is less prone to breaking and gives the MSI a more robust, confidence-inspiring lockup. It keeps the knife smooth, secure, and easy to operate one-handed from either side, making it one of the standout features of the Microtech MSI platform.

Bohler M390MK Steel Performance

The Microtech MSI features Bohler M390MK blade steel, a premium stainless steel developed specifically for Microtech. Known for its excellent edge retention, corrosion resistance, and wear resistance, M390MK delivers the performance expected from a high-end everyday carry knife. Whether used for daily cutting tasks or hard-use applications, the MSI is built to maintain its edge and perform reliably over time.

MSI Handle Materials, Textures, and Blade Finishes

The Microtech MSI is available in a variety of handle materials and finishes to match different preferences and carry styles. Depending on the model, handles may feature lightweight polymer construction or premium aluminum scales with popular textures such as Frag, Fluted, Tri-Grip, and other machined patterns for enhanced grip and visual appeal. Blade finish options include Stonewash, Apocalyptic, and Two-Tone variations, allowing users to choose between a rugged working finish or a more refined appearance while retaining the same proven MSI platform.

Model Name: MSI™ (Design Patent pending) 
Lock Type: RAM-LOK™ Bar Lock (Design Patent pending) 
Knife Type: Manual Folder
Weight: 5.0 oz 
Blade Length: 3.88”
Overall Length: 8.93”
Blade Material: M390MK Steel
Blade Thickness: 0.16”
Handle Material: High Strength Polymer
Handle Thickness: 0.57”
Country of Origin: USA

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