Product Description
The AR-STONER buffer tube assembly is perfect for upgrading an existing AR-15 to a carbine collapsible stock system, or building a new carbine rifle. This assembly is machined to exacting standards to provide excellent fit and reliable function.Includes:6 Position Buffer Tube (7.125" L) (1.148" Diameter)Buffer SpringRecoil Buffer (3.04 ounce)Castle NutEnd Plate