DealThe 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. ncludes: 6 Position Buffer Tube (1.148" Diameter) Buffer Spring Recoil Buffer Castle Nut End Plate from Midway USA (Product 866002) |