Aero Precision M5 LR-308 Buffer Tube Kit Aluminum Black

The Aero Precision M5 Rifle Receiver Extension Buffer Tube Assembly is the perfect complement to your build. This kit features mil-spec components. Includes:6061-T6 Aluminum Rifle Buffer Tube.308 Rifle Buffer.308 Rifle Buffer SpringBuffer Length: 5.3"Buffer Weight: 5.6 oz