The Sig Sauer MCX-SPEAR is a modern sporting rifle offered in a Coyote finish with a 16″ threaded barrel and a push-button folding Magpul SL-M stock. The platform features a free-floating M-LOK handguard, ambidextrous controls and a gas-piston operating system for reliable function. This configuration ships with one 20-round steel magazine and is optics-ready for a variety of sighting solutions.
Key Specifications
- The action is Semi-Auto.
- The barrel measures 16″ and is threaded for muzzle devices.
- The magazine capacity is 20 rounds.
- The package includes 1 x 20‑round steel magazine.
- The stock is a push-button folding Magpul SL-M telescoping design.
- The operating system is a Gas Piston design with an adjustable gas valve.
- The handguard is a free-floating M-LOK style for accessory mounting.
- The muzzle device is an SLX/SLH QD flash hider.
- The receiver finish is Coyote Anodized.
- The muzzle thread pattern is 5/8×24.
The MCX-SPEAR combines modular ergonomics and advanced features in a familiar AR-style package. Its folding Magpul SL-M stock, ambidextrous controls and optics-ready upper make it adaptable for range, duty-style applications, and precision-oriented setups. Built with a free-floating M-LOK rail and adjustable gas system, this configuration provides a practical balance of versatility and modern controls for shooters seeking a capable, upgrade-friendly rifle platform.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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