| Platform | Mk4 |
| Stock / Brace | M4 |
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Stock Assembly, M4
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.
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