Description
The SIG SAUER MCX-SPEAR LT is a next-generation modular rifle system. Built by SIG SAUER, it features a cold hammer-forged 16-inch chrome-lined barrel and a hardcoat anodized aluminum upper and lower receiver. This rifle stands out with its short-stroke piston operating system, which reduces fouling and heat transfer, and its full ambidextrous controls for versatile handling. It maintains compatibility with many MCX Virtus accessories and handguards.
Key Features
- Short-stroke piston system for reliable, clean operation
- Cold hammer-forged, chrome-lined 16″ barrel for durability
- Fully ambidextrous safety, bolt release, and magazine catch
- Hardcoat anodized 7075-T6 aluminum receiver construction
- Two-position folding and telescoping SIG MINI stock included
Specifications
| Caliber / Type | 5.56 NATO / Semi-Automatic Rifle |
|---|---|
| Material | 7075-T6 Aluminum, Steel |
| Finish | Hardcoat Anodized |
| Compatibility | MCX Virtus Handguards & Accessories |
| Weight | 6.2 lbs (unloaded) |
The MCX-SPEAR LT’s short-stroke piston is engineered to divert gas away from the action, enhancing reliability with a wide range of 5.56 ammunition and reducing maintenance. The chrome-lined barrel extends service life under sustained fire. This design, proven in military contracts, offers a robust platform for duty, defense, and recreational shooting, providing consistent performance where it matters most.




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