The Yankee Hill Machine 9mm Bolt Buffer protects your AR-9 lower receiver from bolt impact damage while reducing felt recoil and cycling noise.
- Type: Bolt buffer / recoil reducer
- Compatible Firearms: AR-9 pistol-caliber carbines (Colt/Glock pattern)
- Material: Impact-resistant polymer
- Finish: Black
- Adjustable: No
- Installation: Drop-in, no gunsmithing required










