The Springfield XD-S .45 ACP with 4-inch barrel offers improved velocity over the 3.3-inch model while remaining concealable. Longer sight radius improves accuracy. Type: Semi-Auto Pistol Action: Striker-Fired Caliber: .45 ACP Capacity: 5 Year introduced: 2013, USA/Croatia Weight: 23.5 oz Overall length: 6.9" Status: Active Intended use: Concealed Carry