Magpul MAG371-BLK ACS Carbine Stock Black Synthetic for AR15/M16/M4 with Commercial Tube
Made in the USA, the Magpul ACS (Adaptable Carbine/Storage) Commercial-Spec Model is a drop-in replacement buttstock for AR15/M4 carbines using commercial-spec sized receiver extension tubes. Dual, rear accessible, water-resistant battery storage tubes and an integral storage compartment in the butt of the stock provides multiple storage options. The ACS comes standard with a 0.30" thick rubber butt-pad which provides positive shoulder purchase to prevent slippage even with body armor or modular gear.
