Description
SIG Sauer MCX-SPEAR SBR, 6.8×51, 13-Inch Barrel, Coyote, 20-Round, SBR
The SIG MCX-SPEAR 6.8×51 SBR is SIG’s civilian M7: a 13 in. 6.8×51 barrel, coyote anodized receivers, and a folding Magpul SL-M stock.
MCX-SPEAR is SIG’s civilian M7. The U.S. Army picked this rifle as the Next Generation Squad Weapon. Short-stroke piston. Fully ambidextrous. Rear and side charging handles. A 2-stage match trigger. Coyote anodized. Interchangeable barrels among 6.8×51, 7.62×51, and 6.5 Creedmoor. A two-position gas valve for suppressed or unsuppressed. QD flash hider for SIG SLX/SLH. Folding Magpul SL-M on the rifles and SBRs. A factory suppressor is not included. A factory optic is not installed.
This is MCX-SPEAR, not SPEAR LT. Magazines are AR-10 pattern 20-round on these guns, not AR-15. A factory optic is not installed. Confirm caliber and barrel on the firearm you receive.
This 13 in. 6.8 SPEAR SBR
NFA short-barreled rifle. 6.8×51, not 7.62×51 and not SPEAR LT 5.56. Folding stock. Confirm transfer requirements.
What ships
One 20-round magazine is in the box. See the SIG MCX collection.
Specifications and Included Items
- Model: RSPEAR6813BNGSBR
- Caliber: 6.8×51
- Barrel: 13 in.
- Action: Semi-auto short-stroke piston; Magpul SL-M folding/telescoping stock; 2-stage match trigger
- Finish: Coyote anodized
- Magazines: (1) 20-round polymer, AR-10 pattern
- Class: NFA short-barreled rifle. Class III / SOT transfer.









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