Breek Arms Lightweight Low Profile Clamp-On Gas Blocks for the AR-15 or AR-10 (LR308) are machined with high quality steel and nitrided. The low profile gas block design allows you to mount it underneath any free float hand-guard slim or regular sized. It also is milled out to shave off as much weight as possible without losing integrity.
- Works with either an AR-10 (LR308) or any AR-15
- Size Options: 0.750, 0.875, 0.936 diameter
- Adjustable Gas Block to decrease or increase gas pressure for the most reliable feed results
- Includes Roll Pins & Allen Wrenches
- High Strength Clamp On Style
- Comes with a FREE Gas Tube of Your Choice (Pistol, Carbine, Mid-Length, or Rifle)