To load a percussion cap gun, you pour gunpowder into the breech, things the projectile in along with it, and put a mercuric fulminate cap in addition to a little nipple. In the gun developed like a revolver, this recoil power just pushes the gun back for the shooter. https://machine-gun-arizona18406.shoutmyblog.com/33355646/sig-spear-lt-options