S&J Hardware 590A1 +2 Magazine Extension | North Tactical Supply Co.

S&J Hardware Mossberg 590 +2 Magazine Extension

Regular price $70.00 Sale

The S&J Hardware Mossberg 590 +2 Magazine Extension is extensively field tested and meet or exceed law enforcement and military requirements.

The S&J Hardware Mossberg 590 Magazine Extension is an extremely durable, high quality, solid steel Mossberg Magazine Extension that comes with everything you need to upgrade your shotgun to the next level.

The S&J Hardware Mossberg 590A1 +2 Magazine Extension is CNC milled from pure steel, Just like your gun. Don't settle for aluminum.


  • Removable 3 Position Front Sling Plate
  • Super Duty Magazine Spring.
  • No Jam Mag Follower.


  • Fits Mossberg 590, 590A1, 835, 935 Series 12 Gauge Shotguns
  • CNC Milled From Solid Steel
  • Finish:
    • Controlled Gas Nitride, Mil-Spec Black Oxy Finish
    • Electroless Nickle
  • Total Length:
    • 4 1/4" (590+2)
  • Made in Canada

    Questions & Answers

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    • Will this fit a regular 590?

      Yes.  The S&J Hardware 590 +2 Magazine Extension will fit the 590A1, 590, 835, and 935 Series of Mossberg Shotguns.

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