The DMW Benelli 1 piece M4 replacement tube increases the capacity of your M4 shotgun by two rounds. Made from seamless chrome-moly steel tubing in a matte black color to match the finish of your weapon.
This replacement tube will also fit the Turkish made SDS – Tac 12, SDS – S4, Radikal – SAX 2 and Landor Arms – 304 shotguns.
Kit includes the tube and spring: everything necessary to convert your M4 to 7+1 Capacity. Proudly Made in the USA by Dave’s Metal Works