This AR-15 Commercial Spec Carbine Stock is perfect for upgrading an existing AR-15 or building a new M4 rifle. The Commercial Spec AR15 stock is 6-position telescoping and features a built-in sling swivel and slot on the stock to mount your favorite rifle sling. The collapsible AR-15 carbine synthetic black stock fits most AR-15, M4, LR-308 (Commercial Spec Diameter) carbine buffer tubes. stock only.
