CMMG 28B3D0CCG ENDEAVOR MK4 22ARC 20 CHGRN. CMMG 28B3D0CCG ENDEAVOR MK4 22ARC 20 CHGRN - Specifications for CMMG 28B3D0CCG ENDEAVOR MK4 22ARC 20 CHGRN: Manufacturer: CMMG Magazine Included: No CMMG 28B3D0CCG ENDEAVOR MK4 22ARC 20 CHGRN