BCM Low Profile Gas Block for AR15″ M16″ M4″ M4A1 for .750 barrels.
- For use on AR-15, M16, M4 and M4A1
- Phosphate finished machine steel
- Barrel ID honed after finish per USGI TDP
- Set screw mounting
. Please Note – We just added this product to our catalog, so it may not show all attributes, description, or pictures. We’re working on cleaning it up!.