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
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Some firearms, magazines, and accessories are restricted or prohibited in certain states, cities, and counties, and these laws change often. Each order is manually reviewed against the current laws for your shipping address before it ships. If we can't lawfully ship this item to your location, we'll contact you to cancel or adjust your order and issue a refund. You're responsible for knowing and following the laws where you live — if you're unsure, please check or ask us before ordering.
