As of August 1st 2022, Element Armament will not sell nor ship magazines with capacities greater than 10 rounds to the following states: California, Connecticut, Washington, D.C., Maryland, Massachusetts, New York, New Jersey, Vermont and Washington. By utilizing the Element Armament website and/or affiliated selling channels, the user/purchaser acknowledges that he/she is not a resident of the referenced states or locales and will not transport restricted or illegal items into those states.

Mossberg 590S® Optic Ready w/18.5″ Barrel – 12GA – 9 + 1 Capacity (51605)


Out of stock

UPC: 015813516051 SKU: MB590S_51605 Categories: , ,


For the ultimate in shooting flexibility, the all-new 590S Series cycles 1.75″, 2.75″, or 3″ shells. Pick one shotshell length for specific shooting needs, or simultaneously load any combination of those shell lengths. The choice is yours with the 590S. Features standard Mossberg Pump-Action Features: Dual extractors, twin action bars, positive steel-to-steel lockup, and anti-jam elevator provide smooth operation. Other features include top-mounted ambidextrous safety, matte blue metal finish, magazine clean-out tube with cap, and a logo-engraved receiver.


  • Optic-Ready (Shield RMSc Pattern Micro Dot Sights)
  • Cycles 1.75”, 2.75” or 3” shells interchangeably
  • No need for mini shell adaptor
  • Redesigned Elevator, Bolt Slide and a new Energy-Absorbing Bumper
  • Standard features include dual extractors, twin action bars, steel-to-steel lockup and ambidextrous safety

SKU:  51605
Gauge:  12 Gauge
Action Type:  Pump-Action
Chamber Size:  3″ Chamber with 1.75″ Short Shell, 2.75″, and 3″ Cycling Capability
Usage:  Security/Self-Defense
Barrel Length:  18.5″
Barrel Finish:  Matte Blue
Choke:  Cylinder Bore
Capacity:  5+1; 6+1; 9+1
Length:  39.5″
LOP:  13.87″
LOP Type:  Fixed
Sights:  Bead Sight; Optic-Ready (Shield RMSc Pattern Micro Dot Sights)
Stock:  Synthetic (Black)
Weight:  6.75

Additional information

Weight 15.0 lbs
Dimensions 36 × 12 × 6 in


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.