SIG MCX SPEAR SBR | 7.62×51 | 13″ | Coyote

The SIG MCX SPEAR SBR is a military-derived short-barreled rifle chambered for 7.62×51 NATO with a 13″ barrel and a coyote anodized finish. It features an aluminum frame, fully ambidextrous controls, M-LOK accessory mounting, and ships with one 20-round magazine. For a practical optic under $1,000, a 1-6x LPVO such as the Vortex Strike Eagle 1-6×24 pairs well for close-to-mid-range work and complements the SPEAR’s handling.

Product Specifications

• The caliber is 7.62×51 NATO (.308).
• The barrel measures 13 inches for this configuration.
• The action is Semi-Auto.
• The magazine capacity is 20 rounds.
• The exterior finish is Coyote Anodized.
• The frame material is Aluminum.
• The barrel material is listed as Chrome Moly Steel.
• The rifle has a reported weight with magazine of 8.6 lbs.
• The stock type is a Folding stock for compact carry and storage.
• The package includes 1 x 20 rd. magazine.
• Sighting is listed as No Sights / Optics Ready.
• The safety is Ambidextrous.
• Additional features include Ambi bolt catch/release; rear & side charging handle; 2-position adjustable gas valve.
• The barrel rate of twist is 1-in-10″.
• The UPC is 798681674015.

The MCX SPEAR SBR combines a compact 13″ barrel with a robust feature set derived from military requirements: ambidextrous controls, an adjustable gas system, and a folding stock make it a versatile platform for precision-oriented, compact-rifle applications. Its optics-ready configuration and M-LOK compatibility allow straightforward mounting of a low-power variable optic or red dot to suit intended use. Built with service-grade materials and familiar controls, it suits shooters who want a modern, adaptable short-barreled rifle platform.

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