From Colt Custom Shop to celebrate 175th Anniversary of the Colt Company. Introduced in 2011, with production limited to 175 units in each of three standard barrel lengths; 4.75", 5.5" and 7.5". In .45 Colt only features include a black powder frame, Royal Blue finish, 24 karat Gold plated scroll on the frame, cylinder and barrel depicting Rampant Colt icon, Colt Dome, Serpentine Colt, Sam Colt signature and a banner with the text "1836 — 175th Anniversary — 2011".