The GG&G Mossberg 590 Magazine Extensions are easy to install as long as you have a working knowledge of how to break down your shotgun to perform maintenance procedures.
- Perfect for military, law enforcement and home defense use
- Fits 12ga mossberg 590 shotguns only
- Unlike the competition, the magazine extension tube nut is CNC machined from wear resistant solid steel bar stock versus aluminum
- When installed properly, the solid steel ratchet base on the mossberg 590 mag tube extension nut, securely retains the barrel under recoil
- The unique magazine tube extension nut is manganese phosphated in a nonâ"reflective combat finish per mil-spec
- The end cap of the magazine extension tubes can be removed separately to facilitate cleaning and the use of a magazine plug
- Includes a new extended length magazine spring to insure proper function
- The two shot mag tube extension adds two additional rounds and protrudes 2-1/4" beyond the end of an 18-1/2" barrel
- Material: 6061-T6 Aluminum
- Finish: Hard Anodized Non-Reflective Matte Black Per Mil-Spec
- Length: 6-1/4"
- Weight: 5.5 oz.