The .45 ACP CX4 Storm is the largest caliber in the Storm Carbine line, sharing magazines with the Beretta PX4 Storm .45 ACP. Lower capacity than 9mm but offers the stopping power of .45 ACP from a carbine. Type: Rifle Action: Semi-Automatic Caliber: .45 ACP Capacity: 10 Year introduced: 2005, Italy Weight: 5.75 oz Overall length: 29.75" Status: Active Intended use: Home Defense,Collecting