What non printed parts do I need to complete this build I know I need a cmmg 22 lr conversion BCG and protobarrol but is the max upper required for this build ??
What non printed parts do I need to complete this build I know I need a cmmg 22 lr conversion BCG and protobarrol but is the max upper required for this build ??
It has 2 screws that go in the rear of the trunnion, then the side plates as well.