Gold Horse Shotgun Features Introducing the Gold Horse. This is an inertia driven semi automatic shotgun imported by TR Imports. It features a 3 round capacity black stock and fore end rifle sights/Picatinny rail for optics mounting and a 3 chamber. Gold Horse Shotgun Specifications Manufacturer: TR Imports Model: Gold Horse Shotgun Manufacturer Part Number: GHSA1224S Gauge: 12 Ga Barrel Length: 24 Chamber: 3 Magazine Capacity: 3 + 1 Action: Semi Auto Finish: Black Sights: Rifle Sights + Picatinny Rail