The Black Aces Tactical Pro Series X features 2 barrels, 2 stocks, and multiple tubes for a fully customizable shooting experience. Black Aces Tactical shotguns are purpose built for the most demanding situations you can throw at them. Rolling Hard Case 18.5" choked Barrel & 24" choked Barrel (3 chokes included) Standard Full Stock & 6 Position Side Folding Tactical Stock 4+1 standard capacity, +2 extension & +6 extension Polymer forend with Picatinny rail Billet Receiver with Pictinny rail Hi-Vis Sights