The Mossberg 590R Chisel takes the proven 590 action and re‑packages it around modern ergonomics, adding features that make immediate sense to shooters already fluent with AR‑pattern rifles.
At its core, this is still a 590—durable, simple, and parts‑compatible—but the execution is clearly aimed at shooters who value familiarity and modularity.
Folding Stock That Still Functions
The standout feature is the Chisel folding stock, which folds to the side and allows the shotgun to fire while folded. This keeps the gun usable in confined spaces without turning it into a range‑only novelty. The stock includes integrated QD sling points, adding flexibility for duty or defensive use.
Barrel, Magazine, and Compatibility
The 590R Chisel ships with an 18.5‑inch barrel and a 6+1 tube magazine, a configuration that balances capacity and handling. Importantly, it remains compatible with standard Mossberg 590 barrels and magazine extensions, preserving the aftermarket ecosystem that has grown around the platform.
A QD sling point at the front is built directly into the end of the magazine tube, eliminating the need for clamp‑on solutions.
AR‑Style Controls Where They Matter
Instead of Mossberg’s traditional tang safety, the 590R uses an AR‑style rotary safety mounted on the receiver. The placement and motion are immediately familiar to anyone accustomed to AR‑15 controls, reducing the learning curve and making the transition between platforms faster.
Sights, Furniture, and Finish
The shotgun comes standard with Magpul MBUS 3 sights, providing a rugged, low‑profile iron sight setup out of the box. A Magpul MOE grip further reinforces the modern ergonomics.
Internally, Mossberg uses a flat, bead‑blasted steel trigger, prioritizing durability and consistency over cosmetic polishing.
The Takeaway
The Mossberg 590R Chisel doesn’t reinvent the combat shotgun. It updates it intelligently. Folding stock functionality, AR‑style controls, standard 590 compatibility, and thoughtful mounting options all add up to a shotgun that feels current without abandoning what made the 590 reliable in the first place.
For shooters who want a pump shotgun that integrates smoothly with modern manual‑of‑arms and accessories, the 590R Chisel is a logical step forward.
Learn more about this shotgun here.
Mossberg 590R Chisel — Specifications
- Manufacturer: Mossberg
- Model: 590R Chisel
- Action: Pump‑action
- Gauge: 12 gauge
- Chamber: 3 in
- Barrel Length: 18.5 in
- Overall Length: Approx. 39 in (stock extended)
- Capacity: 7+1
- Magazine Tube: Compatible with Mossberg 590 magazine extensions
- Barrel Compatibility: Accepts standard Mossberg 590 barrels
- Stock: Chisel side‑folding stock (fires when folded)
- Grip: Magpul MOE
- Safety: AR‑style rotary safety on receiver
- Sights: Magpul MBUS 3 iron sights
- Trigger: Flat, bead‑blasted steel
- Sling Mounts:
- QD points integrated in the buttstock
- QD point integrated at the end of the magazine tube
- Finish: Matte / bead‑blasted metal components
- Receiver Material: Steel
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