does the m4 buffer actually travel all the way to the rear during firing and contacts the rear of the buffer tube??? or does the spring prevent it from going all the way back???
All the way back on a properly functioning gun.
does the m4 buffer actually travel all the way to the rear during firing and contacts the rear of the buffer tube??? or does the spring prevent it from going all the way back???
All the way back on a properly functioning gun.