TacOpShop is dedicated to providing the best AR-15 tactical shotgun kits available from manufacturers such as Kel Tec, UTAS and Armscor. The AR-15 tactical shotgun is a pump action shotgun with two 7-round alternately feeding or selectable magazine tubes. The tactical shotgun has a 28.3” overall length with a 18.5” barrel, chambered for 2 ½” , 2 ¾” and 3” magnum ammunition. Browse below through selection of AR-15 tactical shotgun kits for sale.