Low Profile Gas Block (steel with set screws) 625
13 In Stock
- BCM Low Profile Gas Block for AR15, M16, M4, M4A1. Machined of steel, phosphate finish, for .625 barrels
- Manufactured within very tight Mil-Spec tolerances on all ID's
- Barrel ID honed after finish per USGI TDP
Made by Bravo Company MFG, Inc. with set screw mounting. Set Screws are Steel 10-32 x 3/16 Knurled Cup Point.