Bravo Company Manufacturing (BCM)

bcm low profile gas block

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Bravo Company 0.750" Low Profile Gas Block with Set Screws BCM-LGB-750

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Bravo Company Manufacturing (BCM) is well known in the AR-15 industry to produce some of the highest quality AR-15 components that are available on the market. Their products are known for their incredible reliability and their ability to withstand even the most harsh of environments.



The BCM low profile AR-15 gas block is precision machined from solid steel. The steel construction allows this gas block with standard the high temperatures that it will be subject to in an AR-15. The increase the durability and corrosion resistance of the gas block, the steel is finished with a phosphate finish.


The Gas block is manufactured to military specification tolerances. This ensures that the gas block has very exacting consistency to ensure optimum fitment with your barrel. Also, per USGI TDP, the barrel ID has been honed after finish to ensure proper fitment.


The gas block is secured to the barrel via steel set screws. The set screws are 10-32x3/16 knurled cup point.


Frequently asked Questions


Will this gas block fit under a free floating handguard?

Yes, this gas block will fit under a free floating rail system.


Does the gas block come with a gas tube roll pin?

No, a gas tube roll pin is not included with the package.


What size barrel will this fit?

This gas block is designed to fit onto an AR-15 barrel with a 0.750” gas block set. This is the standard size for most AR-15 barrels. However, if you have a “pencil” barrel or “bull” barrel, you will likely need to confirm the size or your barrel diameter.


Additional Information

Part # BCM-LGB-750
Manufacturer Bravo Company Manufacturing (BCM)


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