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