Centurion Arms Low Pro Gas Block

Currently The Centurion Arms gas block is the only one that Centurion Arms can guarantee to fit under the CMR. This is due to the CMR’s extreme low profile. Specifications for Centurion Arms Low Pro Gas Block: Manufacturer: Centurion Arms Color: Black Cartridge: .750 Nitro Express Features of Low Pro Gas Block: .750 Low Profile Gas Block Carbon Steel Matte Black Package Contents: Centurion Arms Low Pro Gas Block