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FAB Defense Mossberg 50 Rail System

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1.00 LBS
  • FAB Defense Mossberg 50 Rail System
  • FAB Defense Mossberg 50 Rail System

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Frequently bought together:


The PR-MO Mossberg 500 Rail System offers a superior mounting solution for your Mossberg accessories.


  • Enables Three Picatinny Rails
  • Mount Picatinny Based Accessories on Your Shotgun
  • State-of-the-Art Ergonomic Design
  • Durable, Hardwearing & Lightweight construction
  • Quick & Easy Installation
  • No Gunsmith Required
  • Provides Appropriate Thermal Insulation
  • Constructed from Reinforced Polymer Composite


  • 12 Gauge, Mossberg® 500®, 590®, Shockwave® and Maverick® 88® ( Maverick® 88® requiters purchasing separately a Mossberg® 500® 7-3/4" Action Slide). Will not fit the Mag-Fed versions.

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 www.P65Warnings.ca.gov. We are Not Accepting Returns or Exchanges For Any PPE Equipment or Ballistic Items.
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Additional Information

Product ID:
Parts & Accessories
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1 Review

  • 5
    I spent a fair amount

    Posted by Steven M. on 6th Apr 2018

    I spent a fair amount of time researching after-market forends for the Mossberg 590 before selecting the Fab Defense PR-MO rail system. Fit and finish were excellent and installation was without drama (check out some of the excellent videos are available on YouTube). Highly recommended if you're looking to add some rail space to your stock shotgun.

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