The Black Aces Tactical Pro Series X Semi-Auto 12 Gauge Shotgun Combo Package features 2 barrels (18.5" & 24"), 2 stocks (Rifle & Pistol), and multiple tube extensions (+2 & +6) for a fully customizable shooting experience.  Black Aces Tactical shotguns are purpose built for the most demanding situations you can throw at them.  This is truly the best semi-auto shotgun package deal we have ever had at Missouriguns.net!!!