The HK45 Compact reduces the HK45 to a compact carry format with a 3.94-inch barrel and 8-round flush magazine. The compact variant retains the HK45's interchangeable backstraps, LEM or DA/SA trigger options, and all-polymer construction. Considered one of the most concealable duty-grade .45 ACP pistols available. The HK45C Tactical variant adds a threaded barrel for suppressor use. Type: Pistol Action: DA/SA Caliber: .45 ACP Capacity: 8 Year introduced: 2007, Germany Weight: 27.52 oz Overall length: 7.2" Status: Active Intended use: carry, duty