Mossberg is pleased to announce the introduction of the 590R Chisel and 590RM Chisel, expanding the 590R/RM platform with premium configurations developed in collaboration with Chisel Machining. These new models combine Mossberg’s pistol-grip rotary safety, pump-action shotguns with enhanced ergonomics, compact handling, and rugged styling designed for tactical and defensive applications.
The 590R Chisel is configured with an 18.5-inch barrel with integrated heat shield, and features a Chisel Machining folding stock mount, providing a solid shooting platform with the added benefit of compact storage and transport. The shotgun is finished with a Flat Dark Earth Cerakote® receiver, delivering increased corrosion resistance and a distinctive appearance.
Designed for maximum compactness, the 590RM Chisel features an 11.5-inch barrel and a 10-round detachable magazine, offering impressive firepower in a highly maneuverable package. Like its full-size counterpart, the 590RM Chisel is equipped with a Chisel Machining folding stock mount and a Flat Dark Earth Cerakote receiver, providing durability and consistent aesthetics across the line.
Both models are built on Mossberg’s pistol grip rotary safety pump-action shotgun platform, which allows for positive feeding, and reliable performance. The folding stock design enhances adaptability in confined spaces while maintaining control and shootability when utilized.
Live Inventory Price Checker
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Mossberg 590 Shockwave 12ga Shotgun - 50659 | Palmetto State Armory | $ 549.99 $ 449.99 |
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Mossberg 590 Shockwave 20ga Shotgun - 50657 | Palmetto State Armory | $ 533.99 $ 480.99 |
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DeSantis Gunhide Kurz Mossberg 590 Shockwave Nylon Shotgun Case, Black - M92BJG2Z0 | Palmetto State Armory | $ 164.99 $ 121.99 |
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DeSantis Gunhide Kurz Mossberg 590 Shockwave Nylon Shotgun Case, Black - M92BJG1Z0 | Palmetto State Armory | $ 164.99 $ 121.99 |
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Key Features of the 590R/RM Chisel Pump-Action Shotguns:
- Ambidextrous, rotary safety selector that can be reached without breaking grip.
- Mossberg-designed stock with eight positions of adjustment (12.5 – 16.0 inches), interchangeable recoil pad, and 2-sided QD cups. The front QD cup is located on the mag cap.
- Chisel Machining folding stock mount.
- Magpul MOE+ pistol grip.
- Accu-Choke™ System for adding a suppressor.
- Flat profile trigger with smooth, crisp break.
- Top Picatinny rail for ease of adding optics.
- Enlarged, beveled loading port with extended follower for ease of loading (590R only).
- Elongated bolt release.
- E-coated internal and external receiver for durability and smoother finish.
Chisel Machining, based in California, is known for designing and manufacturing premium firearm components and accessories focused on strength, precision, and practical functionality. Their products are engineered and machined in the USA, with an emphasis on robust materials, clean industrial design, and real-world performance. The Chisel Machining folding stock featured on the 590R/RM Chisel reflects the company’s commitment to durable, purpose-driven solutions for modern firearms.
With the introduction of the 590R/RM Chisel, Mossberg continues to expand the versatility of its 590R/RM lineup, delivering innovative configurations that meet the needs of professional users and enthusiasts alike.
For more information, please visit www.mossberg.com.
About Mossberg
Since 1919, Mossberg has been the leader in introducing important design breakthroughs to the firearm industry. Many product features pioneered by Mossberg are now the standards by which all modern firearms are judged. Never content with the status quo, our men and women constantly strive to improve and update the capabilities of all Mossberg products. In accomplishing this goal, we recognize that each improvement is a part of the “Shooting System” approach and most are designed to fit the shotgun you bought years ago.
Our design and innovative edge is truly changing the way shooters use shotguns and rifles. We are particularly proud that our Mossberg pump shotguns are the only shotguns purchased by the United States government that meet or exceed Mil-S-3443 specifications. It is this basis of unquestionable quality that drives Mossberg to bring reliable, well-built shooting systems to you at an affordable price.
The shooting sports have been an American tradition for generations. Today, thousands of sportsmen and sportswomen focus their energy on the betterment of the shooting sports by participating in national and local organizations. We sincerely appreciate these efforts, and we salute all future members for continuing our proud heritage.
