The Sig Sauer MCX SPEAR pistol is a 7.62×51 NATO (.308) AR-platform handgun configured with a 13-inch barrel and a 20-round detachable magazine. Intended for tactical, duty, and range applications, it provides a compact, short-barrel option for users who require a high-capacity 7.62×51 platform in a pistol form factor. The coyote-anodized finish and modular M-LOK handguard make it a practical choice for shooters focused on durability and accessory flexibility.

Key Specifications

• The chambering is 7.62×51 NATO (.308).
• The barrel measures 13 inches.
• The action is Semi-Auto.
• The firearm accepts a 20-round detachable magazine and ships with one included magazine.
• The handguard is a M-LOK free-float design for modular accessory mounting.
• The rifle is built on an aluminum frame with a coyote anodized finish.
• Controls include a fully ambidextrous manual safety and ambidextrous bolt catch/release with rear and side charging handles.
• It features a 2-position adjustable gas valve and ships with SLX/SLH QD-compatible flash hider hardware.
• The muzzle is threaded 5/8-24 tpi and fitted with a QD flash hider.

Shipping note: the product data indicates direct-ship restrictions to California, Washington, and Rhode Island. Be aware that several U.S. jurisdictions limit magazine capacity to 10 rounds; those states and districts include: Hawaii, California, Connecticut, District of Columbia, Illinois, Maryland, Massachusetts, New Jersey, New York, Rhode Island, Vermont, Washington, and Colorado. Check local laws before purchase and transfer.

The MCX SPEAR combines a short-barrel 7.62×51 configuration with Sig Sauer’s ambidextrous controls and modular handguard system, offering a durable option for shooters who need a compact 7.62 platform for range, duty, or tactical training. Its anodized aluminum frame and M-LOK interface ensure accessory compatibility and longevity in field use.