1911-style semi-automatic pistol. Chambered in 9x19, .38 Super, .40 S&W and .45 ACP to commemorate 20th Anniversary. Features include ambidextrous thumb safeties and knuckle relief high-rise beavertail grip safety; gold TiN (or Titanium Nitride) coating; full-length steel bar stock slide, with custom serrations specific to this model; 5" fully ramped and supported bull barrel; STI adjustable rear sight and Dawson fiber optic front sight. STI will only build 200 of these pistols and serial numbers reflect this (1 of 200, 2 of 200, etc.)