M1911 Locked breech/Short Recoil basic function
M1911 Locked breech/Short Recoil basic function Caliber .45 Auto firing a 230 grain bullet at 830 fps: Bang! Assuming a condition of zero headspace, both bullet and slide start to accelerate at the same instant. The slide grabs the barrel upper lugs and hauls the barrel backward with it. At nominally 1/10th inch of rearward…









