Used Rock Island Armory Model 1911-A2 9mm/22 TCM combo. 17+1 capacity, 4.25″ barrel, commander length slide with adjustable rear sight. Steel frame with extended beavertail grip safety, thumb safety Hogue rubber grips, skeletal trigger and hammer, 40 oz. Used with original box and second barrel and recoil spring. While 9mm ballistics are well known, the 22 Tuason-Craig-MicroMagnum (TCM) will propel a 40gr bullet over 1900 fps.