The Rock Island M1911 A1 MS-Tact-II is a semi-automatic pistol chambered in .45 ACP. It features a 4-inch barrel and a standard magazine capacity of 8 rounds plus one in the chamber. The pistol is finished in black on the frame, complemented by gray grips that provide a contrasting appearance. The configuration follows the traditional M1911 pattern with a mid-size frame and single-action operation. Design details include the familiar M1911-style controls and ergonomics suited to the .45 ACP cartridge. The matte black frame finish and textured gray grips contribute to a utilitarian look. This pistol is used, showing prior ownership and handling consistent with that designation. The 4-inch barrel length places it between full-size and compact variants of the M1911 platform, maintaining the balance and handling characteristics typical of this design. Included with the pistol is a single standard-capacity 8-round magazine. No additional accessories or packaging are specified. The Rock Island M1911 A1 MS-Tact-II configuration provides the key features associated with this model-steel frame construction, single-action trigger system, and the .45 ACP chambering that defines the M1911 lineage.