EAA Witness2311 .45 ACP 11+1 5" Black Barrel, Black Serrated Slide & Polymer Frame w/Picatinny Rail & Beavertail Black Checkered Polymer Grips. The Witness2311 is a double-stacked 1911 semi-automatic pistol that boasts a sleek design with ergonomic polymer grips; extended beavertail; accessory rail, skeletonized trigger; adjustable rear super sight and fiber optic front sight. Includes one magazine.