CMMG 9mm Bolt Assembly, Mk9 - Glock & Colt
Colt and Glock Compatible
This CMMG 9mm Luger bolt carrier group is the best 9mm bolts you can buy. It is ready to be put in your 9mm AR-15 upper. Comes complete with integrated ramped bolt and carrier, firing pin, retaining pin and all necessary parts for proper function. The ramped bolt means you can use a standard AR15 hammer, without needing a special 9mm hammer.