Description
The SIG SAUER MCX-SPEAR LT IR in 7.62x39mm is a compact, piston-driven pistol built for modern performance. This 11-inch model features a hard-anodized aluminum upper receiver and a cold hammer-forged barrel with a Nitride finish for exceptional durability. It stands out with its fully ambidextrous controls, a folding/telescoping stock adapter, and direct compatibility with standard AR-15 triggers and grips, offering a versatile and robust platform.
Key Features
- Short-stroke gas piston system for reliable operation with 7.62x39mm
- 11-inch cold hammer-forged barrel with a 1:8 twist rate
- Folding and telescoping stock adapter for compact storage and transport
- Fully ambidextrous safety, magazine release, and bolt catch
- Accepts standard AR-15 pistol grips and drop-in trigger modules
Specifications
| Caliber / Type | 7.62x39mm Piston Pistol |
|---|---|
| Material | Aluminum Upper, Steel Barrel |
| Finish | Hard Coat Anodized, Nitride |
| Compatibility | AR-15 Grips & Triggers, MCX Stocks |
| Weight | Approx. 6.2 lbs (unloaded) |
The MCX-SPEAR LT’s piston system is engineered to handle the 7.62x39mm cartridge’s pressure curve, reducing fouling in the receiver for sustained reliability. The 1:8 twist barrel stabilizes a wide range of bullet weights common to this caliber, from 122 to 154 grains. This configuration provides effective terminal ballistics from a compact package, suitable for dynamic shooting applications where maneuverability is essential.
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