bolton gas block
Bolton gas block, side view. The two screws shown pinch the barrel to secure the assembly. The roll pin at the top secures the front sight assembly.
Bolton gas block, side view. The two screws shown pinch the barrel to secure the assembly. The roll pin at the top secures the front sight assembly.
All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized