Sig Sauer MCX Spear 7.62×51 16″ 20-Round Coyote
About this product
The Sig Sauer MCX Spear is a civilian modern sporting rifle built on the MCX platform and chambered for 7.62×51 NATO (.308 Win). This configuration pairs a 16-inch barrel with ambidextrous controls, a Magpul SL-K folding stock, and a 20-round removable magazine to deliver a versatile semi-automatic rifle suitable for precision-oriented shooting and general-purpose use. The design includes a 2-position adjustable gas valve and a quick-detach flash hider compatible with SIG SLX/SLH mounts.
Key Specifications
- Chambered for 7.62×51 NATO (.308 Win).
- Barrel measures 16 inches.
- Magazine capacity is 20 rounds.
- Action type is Semi-automatic.
- Stock is a Magpul SL-K folding stock.
- Controls are ambidextrous.
- Features a 2-position adjustable gas valve.
- Muzzle device is a QD flash hider.
- Trigger is a two-stage match trigger.
- Weight with magazine is approximately 9.2 lb.
The MCX Spear brings a purpose-driven combination of modern controls, folding stock convenience, and a full-size 7.62×51 chambering to shooters who value modularity and capability. Its ambidextrous layout, adjustable gas system, and removable 20-round magazine make it well suited for precision-oriented work and adaptable field use.
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Specs at a glance
Key attributes
| upc | 798681674022 |
| manufacturer | SIG SAUER |
| manufacturer part number | RSPEAR-762-16B |
| action | Semi-Auto |
| atf type | MODERN SPORTING RIFLE |
| barrel finish | Black |
| barrel length | 16'' |
| caliber/gauge | .308 / 7.62 NATO |
| capacity | 20+1-Round |
| color | Flat Dark Earth |
| length | 38.3'' |
| magazine included | 1 x 20-Round |
| model | MCX Spear |
| number of magazines | 1 20 rd. |
| package height | 4.5 |
| package width | 11.5 |
| product type | AR |
| safety | Ambidextrous |
| shipping weight | 11.6 |
| sights | No |
| state restriction (ca) | NO DIRECT SHIP TO CALIFORNIA |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (or) | NO SALE TO OREGON |
| state restriction (ri) | NO DIRECT SHIP TO RHODE ISLAND |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
| thread pattern | 5/8"-24 tpi |