Great Lakes Firearms Synergy 1911 DS 9mm Luger 20+1 5" Stainless Match Grade Barrel, Black Cerakote Optic Cut/Serrated Stainless Steel Slide, Bronze Cerakote Stainless Steel Frame w/Picatinny Rail, Textured Grip The Great Lakes Synergy 1911 DS features a stainless steel barrel and frame; Cerakote finish; injection molded grip; fiber optic front and fixed rear sight; RMSc optic cut; adjustable, skeletonized trigger. Includes two magazines.