CMC Triggers .750 Internal Bore | Low Profile Gas Block | Black

Unique, all-steel gas blocks expand the versatility of your rifle by providing a variety of accessory rail and hand guard mounting options. Especially helpful in customizing short-barreled tactical rifles. Designed Specifically for AR15's with a barrel .750"" O.D. at gas port. KEY FEATURES: Machined from 17-4PH Stainless Steel | Nitride Finish | Low Profile | .750" O.D. at Gas Port