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FBS Semi-Auto Bullpup Shotgun – 12 Gauge


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The FBS-12 Bullpup 12 Ga. shotgun is a semi auto gas operated shotgun with polymer bullpup style body. The shotgun is chambered for 3” Magnum, though 3″ shells may not cycle, and has a 20” barrel with tube choke and a manual safety. Designed for tactical use with its AR platform 4140 steel barrel, this shotgun is made with performance and durability in mind.

Features and Benefits

  • Semi-auto with 5+1 round capacity (10 round magazines now available)
  • Synthetic bullpup body for ergonomic low profile use. Perfectly balanced weight.
  • 20” Barrel
  • Tube choke
  • 4140 steel barrel
  • Top rail for mounting optics

Each FBS Semi-Auto Shotgun comes with one 5 round magazine.

You must specify in your order if you wish to receive your FBS-12 with flip up low-profile front and rear sights.

Additional features compared to similar/Competitor products:
-The receiver/frame is thicker than our competition
-The trigger parts are machined from solid stock, not investment cast
-Our magazines are designed to work with both 2 3/4″ and 3″ shells, though 3″ shells may not cycle
-Gas system is rated for high brass, buckshot/slug. Spring and buffer system can handle high powered shells with no problem
-Our magazines work with those commonly available on the market for similar style shotguns. 10 Round high capacity magazines are available.

100% Satisfaction Guarantee on all FedArm products:
If you have any issues with the quality/fit/function of your shotgun upon purchase, FedArm will resolve any issues immediately through free repair or replacement. If you are not happy with the product, FedArm will pay to have it shipped back. FedArm strives for 100% customer satisfaction and will go out of its way to ensure only the top service for its dealers and customers.

Firearms have a 1 year from factory warranty against factory defects and issues, with free shipping. Post-warranty repairs will be done at or near cost, with some exceptions for abuse/damage/improper ammunition. Read owners manual before use.

Additional information

Dimensions 42 × 8.5 × 3 m