The ATA Arms SP is an entry-level inertia-driven 12-gauge semi-automatic sporting shotgun with a 28-inch barrel. It is frequently sold as a private label under other brand names in the US market and represents ATA base civilian shotgun platform. The SP offers reliable inertia function at a very accessible price. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 5 Year introduced: 2014, Turkey Weight: 7.4 oz Overall length: 49.5" Status: Active Intended use: Upland Hunting, Sporting Clays