The ProTac 2L-X offers dual-fuel capability

even during the most demanding tasks

ensuring that your firearms remain safe and secure at all times

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Bravo Company USA Low Profile Gas Block (steel with set screws) 750 BCM-LGB-750 NSN Listed The ProTac 2L-X offers dual-fuelBravo Company USA Low Profile Gas Block (steel with set screws) 750 BCM LGB 750 Made by Bravo Company MFG, Inc. with set screw mounting. Set Screws are Steel 10 32 x 3 16 Knurled Cup Point. BCM Low Profile Gas Block for AR15, M16, M4, M4A1. Machined of steel, phosphate finish, for . 750 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