Nordic Components Beretta Tactical MXT 2 Round Extension Kit Black. These Nordic Components Shotgun Magazine Extensions feature a MXT magazine extension that was expertly designed for the 1301 Tactical. In addition the Nordic Components Beretta Extension Kit comes with 1301 Tactical-exclusive clamp Picatinny rail and QDA swivel attachment for easy assembly and adjustments on the go. If you're looking for an affordable dependable and reliable shotgun addition then look no further than the Nordic Components 1301 Tactical MXT Extension Kit. Specifications for Nordic Components Beretta 1301 Tactical MXT Extension Kit: Manufacturer: Nordic Components Color: Black Magazine Capacity: 2 Round Nordic Components Extension Kit 2OX-MZX-NCBTMEXK Features MXT magazine extension designed exclusively for the 1301 Tactical Beretta 1301 extension increases magazine capacity to 7 rounds (capacity determined with 2 3/4" shells and may vary with shells of differing length) This package has a special +2 extension tube is exclusive to this kit and not available separately. (If you try to build your own kit our standard +2 will extend about 1/2" past the muzzle) Barrel clamp kit includes 1301 Tactical-exclusive clamp Picatinny rail and QDA swivel attachment Utilizes factory magazine spring (spare generic spring included) Package Contents: Nordic Components Beretta 1301 Tactical MXT Extension Kit 2OX-MZX-NCBTMEXK Nordic Components MXT-BR1301TAC-PKG Beretta 1301 Tactical MXT 7 Round Extension Kit Black