SHOTGUN: WINCHESTER MODEL SUPER X 3, SERIAL NUMBER 11HMR07376, OTHER, CASE NOT INCLUDED, 28", 12 GAUGE, SEMI - AUTOMATIC Notes: The Winchester SX3 is a semi-automatic 12 gauge shotgun with a 28 inch barrel, steel receiver, and walnut stock and grip. This configuration includes a standard 4-round capacity and an adjustable stock setup with stock shims and length-of-pull adjustment components. The shotgun retains the factory walnut furniture and follows the SX3 field-style configuration with a semi-automatic operating system. The gun cycles and performs flawlessly. Upon purchasing you will recieve the fire arm and no other extra accessories