Rock Island Armory 1911 GI MS Users’ Rating (Click a star to rate this gun.) Rate this item:1.002.003.004.005.006.007.008.009.0010.00Submit Rating Rating: 7.3/10. From 12 votes. Please wait... Summary: The description, specs, photo and pricing for the Rock Island Armory 1911 GI MS pistols. Manufacturer’s Description The Rock Island Armory 1911 GI is a 1911-style pistol built on a steel frame with a 4″ barrel/slide and chambered in .45 ACP. Features include: GI-type sights; a parkerized or finish; a spur hammer; a short trigger; a flat mainspring housing; wood grips; a GI guide rod and plug; rear only vertical cocking serrations; a traditional barrel/bushing set up; and a 70 series firing system (i.e., no firing pin safety). Note: Rock Island Armory imports its version of these pistols from Armscor. The Specs Caliber Capacity BBL OAL Width Height Weight .45 ACP 8+1 4″ 7.5″ n/a n/a 35.2 oz. MSRP: $512.50 [ds query=’+Rock +Island +Armory +1911 +GI +MS’]