The 22/45 Lite features an anodized aluminum upper receiver that reduces weight significantly versus the standard steel Mark IV, and includes a threaded barrel for suppressor use. A popular host for .22 LR suppressors due to its reliability and light weight. Type: Pistol Action: Semi-Automatic Caliber: .22 LR Capacity: 10 Year introduced: 2012, USA Weight: 23 oz Overall length: 8.5" Status: Active Intended use: Suppressed, Training, Target