Description
The SIG SAUER MCX-SPEAR LT is a next-generation modular rifle built for performance. Manufactured by SIG SAUER, it features a durable 7075-T6 aluminum upper and lower receiver with a hard-coat anodized finish. This 16-inch 5.56 NATO rifle stands out with its short-stroke piston operating system, enhanced reliability, and full compatibility with the extensive MCX accessory ecosystem, offering unmatched versatility.
Key Features
- Short-stroke piston system reduces fouling and increases reliability.
- Folding and telescoping SIG MINI stock for compact storage and adjustability.
- Free-floating M-LOK handguard for direct accessory attachment.
- Two-stage match-grade trigger for a crisp, clean pull.
- Ambidextrous non-reciprocating charging handle and magazine release.
Specifications
| Caliber / Type | 5.56 NATO / Semi-Automatic Rifle |
|---|---|
| Material | 7075-T6 Aluminum Receiver |
| Finish | Hard-Coat Anodized |
| Compatibility | SIG MCX/SPEAR LT Accessories & Uppers |
| Weight | 6.2 lbs (unloaded) |
The MCX-SPEAR LT’s short-stroke piston system is engineered to run cleaner and cooler than direct impingement, a critical advantage in sustained fire. The 5.56x45mm NATO chambering provides effective terminal ballistics with manageable recoil. Its modular design allows for quick caliber changes and barrel swaps, making it a versatile platform for defense, duty, or recreational use.




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