Magpul ACS Carbine Stock Synthetic for AR-15, M16, M4 Mil-Spec Tube (Tube Not Included)

Made in the USA, the Magpul ACS (Adaptable Carbine/Storage) Mil-Spec Model is a drop-in replacement buttstock for AR15/M4 carbines using mil-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. Features an anti-snag release latch, supplemental friction lock system to reduce stock movement, and adjustable length of pull.