In the event the bolt carrier moves forward, the bolt rotates and locks the lugs in front of the supporting lug abutments. When the group moves rearward, the cam pin forces the bolt to rotate and unlock from the barrel extension. By checking this box, I affirm that I https://cmmgmk5731963.diowebhost.com/85842664/the-fact-about-cmmg-mk57-that-no-one-is-suggesting