BCM® Low Profile Gas Block (steel with set screws) .750

The BCM® Low Profile Gas Block is compatible with AR15, M16, M4, and M4A1 rifles and is machined from steel with a phosphate finish for .750 barrels. The gas block is manufactured to strict Mil-Spec tolerances on all internal diameters and features honing of the barrel ID after finishing to adhere to the USGI TDP. The gas block is mounted with set screws and produced by Bravo Company MFG, Inc.