(I posted originally under semi-auto handguns, but think this is more appropriate here)
What is the purpose of the small projecting tip of metal that protrudes from the 12 o'clock position of the breech end of the barrel? When the slide is in battery, this "nose" rests in a corresponding hole in the breechface.
What is the purpose of the small projecting tip of metal that protrudes from the 12 o'clock position of the breech end of the barrel? When the slide is in battery, this "nose" rests in a corresponding hole in the breechface.