M110 Semi-Automatic Sniper System — U.S. Army adopted SR-25 variant with 20-inch barrel, KAC rail, and suppressor. Standard Army sniper/DMR platform replacing the M24 bolt-action in many roles. Used extensively in Afghanistan and Iraq. Type: Rifle Action: Gas-Operated Caliber: 7.62x51mm NATO Capacity: 10 Year introduced: 2008, USA Weight: 160 oz Overall length: 44" Status: Active Military use: Yes Intended use: military