When the bolt provider moves forward, the bolt rotates and locks the lugs in front of the supporting lug abutments. In the event the group moves rearward, the cam pin forces the bolt to rotate and unlock with the barrel extension. Compared to the muzzle brake exams the FH https://cmmg-mk5739495.ezblogz.com/62455483/5-tips-about-cmmg-mk57-you-can-use-today