BCM Gas Block .625″ ID
$49.95
For use on AR-15, M16, M4 and M4A1
Phosphate finished machine steel
Barrel ID honed after finish per USGI TDP
Set screw mounting
.625″ ID
In stock
BCM Low Profile Gas Block for AR15, M16, M4, M4A1 for .625 barrels. The BCM Low-Pro Gas Block with a .625″ ID is precision-machined from phosphate-finished steel for durability and corrosion resistance. It is designed for AR-15, M16, M4, and M4A1 platforms and ensures optimal gas flow and reliable cycling. The barrel ID is honed after finishing, following USGI TDP standards, to make it a perfect fit. Featuring a set screw mounting system, this gas block provides secure installation and consistent performance in tactical and competition settings. Ideal for low-profile rail setups and precision shooting needs.