The first of its kind, the Standard Manufacturing DP-12 is a premium defense double-barreled pump-action 12-gauge shotgun. It was designed for the most discerning shooters who demand extreme firepower and require consistent reliability. The original box and accessories are included. Get the best bang for your buck when you get a Certified Used Firearm. When you see the Certified Used stamp on any of our firearms, you can be confident that you're getting exactly what you want - a gun only in very good to excellent condition and held to the highest quality standard. All Certified Used Guns come with a 'no questions asked' return policy.