APOC Armory's AR 15 .750 Lower Profile Gas Block is manufactured from 4140 steel and is Black Nitride treated for corrosion resistance and added strength. Each AR 15 Low Profile gas Block is inspected for defects and measurement inconsistencies. The chamfered roll pin hole makes for easy alignment and installation of the roll pin that is included with the Gas Block.
- Machined from 4140 hardened steel
- Black Nitride Treated
- Closed end gas tube hole
- Chamfered roll pin hole for easy assembly
- Total Weight 1.6 Oz
- 100% USA Made
- Lifetime Warranty