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.
- 6 Position Buffer Tube (7.125" L) (1.148" Diameter)
- Buffer Spring
- Recoil Buffer
- Castle Nut
- End Plate