rifle was functioning perfectly, citing a 100% approval rating from the 173rd Airborne Brigade, and they were simply looking for a smaller, lighter version of M110 for the spotter in a sniper team. The specifications the U.S. Army has issued are as follows: Operation: Semi-automatic Caliber: Compatible with 7.62×51mm NATO cartridges Accuracy: Capable of 1.3 minute of angle dispersion or better with match ammunition Size: Overall length shall be reduced using a shorter barrel and/or collapsible buttstock. Maximum length not to exceed 39 without suppressor. Desired minimum length is less than 36 with stock collapsed. Weight: Weight shall be under 9.0 lb for unloaded rifle without optics and accessories Grip: A modular, adjustable pistol grip. Trigger: A non-adjustable match style trigger. Hand guard: A forend that includes a fixed 12 o’ clock rail with configurable 3, 6, and 9 o’ clock rails. Sound suppressor: A muzzle mounted, detachable sound suppressor. Muzzle device: A compensator/muzzle brake compatible with the sound suppressor. Bipod: Tool-less detachment featuring cant and pan/track capability. Day optic: An Army specified variable power day optic and compatible rings. Back up sights: Iron sights offset 45 deg from the DOS. Sling attachment: Flush cup, quick detach sling attachment points. Other: The upgraded M110 must meet the operational and environmental requirements that were fulfilled by the original M110 SASS. M110A1 replacement In July 2012, the U.S. Army requested sources to remanufacture the current M110 rifle into the Compact Semi-Automatic Sniper System (CSASS). The CSASS will be a shorter and lighter version of the M110 with a collapsible stock and removable flash suppressor, giving it an overall length of and a weight of unloaded. The Army wants a capability to convert 125 rifles per month, with the ability to increase to 325 per month. The Army formally requested proposals for the CSASS in June 2014. On 1 April 2016, the Army announced it had awarded Heckler and Koch a contract with a maximum value of $44.5 million as winner of the competition to replace the KAC M110. The weapon selected was not specified, but was likely the H&K G28; H&K is to produce 3,643 rifles. A goal of the effort was to give snipers a weapon that didn't "stick out" as a sniper rifle; with a suppressor, the M110 is , longer than the M4 carbine and longer than the M16A4 rifle. A minimum of 30 CSASS units will be used