Once the bolt provider moves forward, the bolt rotates and locks the lugs before the supporting lug abutments. In the event the group moves rearward, the cam pin forces the bolt to rotate and unlock through the barrel extension. Compared to the muzzle brake tests the FH ones have https://cmmg-mk5749627.techionblog.com/30827040/the-basic-principles-of-cmmg-mk57