VLTOR's low-profile gas block is made from 17-4 PH stainless steel and is available in matte black or gray. Clamp on style for easy installation, available to fit .750" standard barrels or .625" pencil barrels. Lightweight at just 1.6 ounces and measures 1" long.
| .625" Barrel, Matte Black | (ARR-425) |
| .625" Barrel, Matte Silver | (ARR-426) |
| .750" Barrel, Matte Black | (ARR-427) |
| .750" Barrel, Matte Silver | (ARR-428) |