The Armaspec SMB Kit comes with everything needed to complete your rifle build. This Kit comes with Armaspec's SMB ( Sound Mitigation Buffer), a superior upgrade buffer in place of the OEM mil-spec buffer springs and weights.
Specifications:
- SMB-C Buffer, 3.3oz
- Includes SMB Buffer, Buffer Tube, Endplate and Castle Nut
- Fits AR-15 Pattern Firearms