Swapping your bolt carrier group with a CMMG Conversion Bolt Group takes only seconds to install and is piston compatible. These .22 Conversion Kits operate on direct blow back similar to other popular semi auto .22 rifles. They do not utilize the impingement tube for function. The Bravo Conversion Bolt Group base model is stainless steel and generally easier to clean. This is the most affordable Stainless Steel CMMG conversion kit. It includes the stainless steel conversion bolt group and a 10- or a 25-round grey magazine.
-Stainless steel construction
-Brass extension bushing
-25 round 25R3 magazine compatible with bolt hold open adapter