AR-15 low Profile Gas block .750
R&B Arms AR-15 Low Profile gas block made from 4140 steel. 2 set screws to mount to your barrel.
- 4140 steel construction
- Nitride (QPQ) finish
- Hand fitted
- Fits any .750″ diameter barrel
- Dual steel set screws ensure tight fitment (screws included)
- Honed interior surfaces make installation of barrel and gas tube stress free
- Low-profile allows it to fit under any rail system
- Does not include a steel gas tube roll pin
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