Question: is the ruger american 45?
Answer: The Ruger American Pistol is like most pistols these days a locked breech, short recoil pistol. ... The Ruger is a striker-fired pistol with a 5.5 pound trigger. It is available in both nine millimeter Luger and . 45 ACP, with the former taking a seventeen-round magazine and the later a ten-round magazine.