Description
SIG Sauer MCX-SPEAR LT Rifle, 7.62×39, 16" Barrel, FDE, 28-Round
The SIG SPEAR LT 7.62×39 is SIG’s lighter folding MCX. The MCX is the piston rifle SIG has been refining for years: a short-stroke system that does not need a buffer tube, a fold, and fully ambidextrous controls. SPEAR LT lightens the handguard so it stays quick in the hands.
You get an adjustable gas valve and SIG’s flat-blade match trigger. The top rail is optic-ready. A factory optic is not installed. SIG fits a QD flash hider meant for SIG SLX and SLH suppressors; that is not a claim that every can mounts.
This configuration
You get an adjustable gas valve and SIG’s flat-blade match trigger. Bolt catch, bolt release, magazine release, selector, and charging handle are ambidextrous. The top rail is optic-ready. A factory optic is not installed. SIG fits a QD flash hider meant for SIG SLX and SLH suppressors; that is not a claim that every can mounts. This coyote SPEAR LT is the 16 in. 7.62×39 carbine. SIG ships a 28-round magazine built for that cartridge. Overall length is 34.5 in. Weight is 7.6 lb. Twist is 1:9.5. Finish is coyote anodized. Muzzle threads are 5/8-24 with a 3-prong QD flash hider. The stock folds against the receiver so the rifle packs shorter than a fixed-stock carbine.
What ships
A factory optic is installed only when this page says so. This item ships to a licensed FFL. See the SIG MCX SPEAR LT collection.
Specifications and Included Items
- Model: RMCX-762R-16B-LT
- Platform: MCX-SPEAR LT rifle
- Caliber: 7.62×39
- Barrel: 16 in. carbon steel
- Twist: 1:9.5
- Overall length: 34.5 in.
- Weight: 7.6 lb
- Threads: 5/8-24
- Muzzle: 3-prong / SIG QD suppressor-ready flash hider
- Operating system: Short-stroke piston, adjustable gas
- Trigger: SIG flat-blade match
- Stock: Folding, coyote
- Finish: Coyote anodized / FDE
- Magazines included: One 28-round 7.62×39 magazine
- Sights: Optic-ready rail; no factory optic
- FFL: Rifle; ships to a licensed FFL dealer









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