A Winchester Model 1400 MK II semi-automatic 12-gauge shotgun, featuring blued metal components and a checkered hardwood stock and fore-end. The barrel is marked “WINCHESTER® MODEL 1400 – 12 GA. 2¾ CHAM. MADE IN NEW HAVEN, CONN. U.S.A. WINCHOKE®”, indicating its caliber, 2.75-inch chamber size, manufacturing origin, and a choke system. The receiver is marked “MODEL 1400 MK II” with serial number “N816798”. The buttplate bears the “WINCHESTER® WHITE LINE®” logo.