EDEMO JMac Customs 2C 5/8-24 .45 cal 2-Port Muzzle Brake with Keymount Black RRD-2C-30S-KM-45 EDEMO1. The RRD-2C is a shortened version of the RRD-4C by removing the 2 smallest ports creating a more compact package At 2.23" it still adds 1.53" and can...