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GG&G Mossberg 590 2-Shot Magazine Extension Tube

Item Code: 1624
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    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

  • Specifications:

  • Material: 6061-T6 Aluminum
  • Finish: Hard Anodized Non-Reflective Matte Black Per Mil-Spec
  • Length: 6-1/4"
  • Weight: 5.5 oz.

  • GG&G Mossberg 590 2-Shot Magazine Extension Tube
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    WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

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