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IA Iron River Armory

Mossberg 590R 12 Gauge 18.5″ Folding Chisel Stock

SKUCSSI|MV50233 Conditionnew CategoryPump Action Shotguns
$1119.66
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Specs at a glance

Mossberg 590R 12 Gauge 18.5… SPECS AT A GLANCE 7.60 lbs WEIGHT 18.5 inches SIZE
Editorial diagram — measurements verified during testing.

About this product

The Mossberg 590R is a 12-gauge pump-action shotgun built for security and defensive applications where reliability and compact handling matter. It features an 18.5″ barrel with an integrated heat shield and a two-tone Flat Dark Earth Cerakote receiver paired with a black chisel folding stock. The design includes an ambidextrous rotary safety selector and Magpul MBUS 3 flip-up sights for basic, dependable aiming options. Receiver details and control placement were updated to accept AR-style pistol grips and modern accessories.

Key Specifications

  • The shotgun is chambered in 12 Gauge.
  • The action is Pump Action.
  • The barrel length is 18.5 inches and includes an integrated heat shield.
  • The chamber accepts 3 inch shells.
  • The barrel finish is Black Parkerized.
  • The receiver finish is Flat Dark Earth Cerakote.
  • The stock is a Chisel Folding design with adjustable length-of-pull.
  • Sights are Magpul MBUS 3 Adjustable flip-up sights.
  • Features an Accu-Choke system with a cylinder bore tube installed.
  • The unloaded weight is approximately 7.60 lbs.

A compact, modern iteration of a time-tested pump platform, the 590R blends straightforward controls and accessory-ready features into a durable package. Its folding chisel stock and 18.5″ barrel make it easier to stow and handle in tight spaces while the updated safety, sights, and receiver finish focus on long-term serviceability and adaptable ergonomics for security or duty-oriented roles.

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Sources & methodology. Editorial review and rating by Travis Caldwell based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$1119.66