Microtech Folding Knives: Premium Steel, Precision Mechanisms, Tactical Design
Nov 16th 2025
Microtech Folding Knives: L.U.D.T., Amphibian, MSI & SOCOM Elite
Microtech builds some of the most trusted folding knives in the world. Below is a clear, comparison-friendly look at four standouts—L.U.D.T., Amphibian, MSI (Standard Issue), and SOCOM Elite—including the blade steel, opening mechanism, blade length, overall length, and other key details.
Microtech L.U.D.T. (Gen III)
The L.U.D.T. (Underwater Demolition Team) is a compact, hard-use automatic that pairs premium steel with Microtech’s crisp, out-the-side deployment.
- Steel: Böhler M390MK
- Opening Mechanism: Automatic, side-opening
- Blade Length: 3.5"
- Overall Length: 8.0"
- Weight: ~3.6 oz
Why choose it
Fast, slim, and pocket-friendly with high edge-retention—great for users who want an automatic that carries light but works hard.
Microtech Amphibian (RAM-LOK)
A full-size manual folder with the RAM-LOK bar-lock system for strong, ambidextrous operation and confident lock-up.
- Steel: M390MK
- Opening Mechanism / Lock: Manual folder • RAM-LOK (bar lock)
- Blade Length: 3.875"
- Overall Length: 9.25"
- Blade Thickness: ~0.159"
Why choose it
Generous working blade and a robust lock for heavier tasks, outdoor use, and users who prefer manual control.
Microtech MSI (Standard Issue)
The MSI is Microtech’s do-everything manual folder—built for utility, durability, and day-to-day carry with the RAM-LOK system.
- Steel: M390MK
- Opening Mechanism / Lock: Manual folder • RAM-LOK (bar lock)
- Blade Length: 3.88"
- Overall Length: 8.93"
- Weight: ~5.0 oz
Why choose it
Workhorse build and premium steel with excellent ergonomics—ideal for customers who want “EDC tough” without going automatic.
Microtech SOCOM Elite (Manual & Auto)
A legendary tactical folder line offered in both manual and automatic formats. Big blade, secure ergonomics, and serious pedigree.
Manual SOCOM Elite
- Steel: M390 (varies by production run)
- Opening Mechanism / Lock: Manual folder (thumb-stud) with liner-style lock
- Blade Length: 4.00"
- Overall Length: 9.00"
- Weight: ~5.36 oz
Automatic SOCOM Elite
- Steel: M390 (varies by production run)
- Opening Mechanism: Automatic, side-opening
- Blade Length: 4.05"
- Overall Length: 9.11"
- Weight: ~5.60 oz
Why choose it
For buyers who want maximum blade length and a proven platform, the SOCOM Elite delivers—pick manual for control or auto for speed.
Quick Comparison
| Model | Steel | Mechanism / Lock | Blade (in) | Overall (in) | Weight (oz) |
|---|---|---|---|---|---|
| L.U.D.T. (Gen III) | M390MK | Automatic, side-opening | 3.5 | 8.0 | ~3.6 |
| Amphibian (RAM-LOK) | M390MK | Manual • RAM-LOK (bar lock) | 3.875 | 9.25 | — |
| MSI (Standard Issue) | M390MK | Manual • RAM-LOK (bar lock) | 3.88 | 8.93 | ~5.0 |
| SOCOM Elite (Manual) | M390* | Manual • thumb-stud / liner-style | 4.00 | 9.00 | ~5.36 |
| SOCOM Elite (Auto) | M390* | Automatic, side-opening | 4.05 | 9.11 | ~5.60 |
*Steel may vary by production run; check the specific product listing details.
Which Microtech Fits Your Carry?
- Light, fast auto: L.U.D.T.
- Large manual with bar-lock strength: Amphibian
- Utility-first daily driver: MSI
- Maximum blade & proven platform: SOCOM Elite (Manual or Auto)