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ACS Carbine Stock Mil-Spec is a drop-in AR-15/M4 buttstock replacement that mounts to Mil-Spec sized receiver extension tubes (not included). It features dual, rear-accessible, water-resistant battery storage tubes and an integral storage compartment in the butt of the stock. The stock includes a rubber butt-pad, a shielded release latch to prevent snagging, and a friction lock system to minimize wobble for stability. Made in the USA. NSN MAG370-BLK 1005-01-655-8524 and MAG370-ODG 1005-01-591-6070. Mounts on Mil-Spec sized carbine receiver extension tubes from manufacturers such as Colt, Armalite, LMT, S&W, and others. Weight 13.7 oz. Length of pull collapsed ~11.3 in, extended ~14.6 in. Friction lock performance may vary based on host receiver extension tolerances.
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