Beretta J32SGS10 A300 Ultima Sporting 12ga 30" Bbl Grey w/Black Webbing/Accents Shotgun. The Beretta A300 Ultima Sporting is a 12-gauge shotgun with a 30-inch barrel, featuring a stylish grey finish with black webbing and accents. This Beretta J32SGS10 includes Beretta's Kick-Off Recoil Reduction System for enhanced comfort during shooting. The shotgun is designed for sporting purposes, with special attention to aesthetics and performance.