Built to military specifications, the M4 style stock is simple, lightweight, and extremely rugged. Designed to work with Mk4(AR-15) and Mk3(LR-308) with mil-spec Carbine length buffer tubes, as well as our Fastback® Buffer Tube for rapid deployment. CMMG® also offers Carbine Buffer Tube and Stock Kits for Mk4 and Mk3 platforms.
All CMMG products are backed by our Lifetime Quality Guarantee.
