Description

The Mossberg 590RM Chisel – Class 3 is a compact, tactical 12-gauge pump-action shotgun built on Mossberg’s magazine-fed 590RM platform with ergonomic upgrades and a premium Chisel Machining folding stock mount. It’s designed for close-quarters defensive and tactical use, featuring a short 11.5″ barrel, detachable 10-round magazine, and folding stock for easy transport/storage. This version is classified as a Class 3/NFA short-barreled shotgun in the U.S. regulatory system.

Specifications

• Model: Mossberg 590RM Chisel – Class 3 (magazine-fed) 

• Gauge: 12 gauge 

• Action: Pump-action with magazine feed 

• Barrel Length: ~11.5 inches 

• Chamber Size: 2.75″ shells 

• Capacity: 10 + 1 with detachable magazine 

• Stock: Chisel Machining folding stock with adjustable length of pull (8 positions) 

• Safety: Ambidextrous rotary safety selector 

• Grip: Magpul MOE+ pistol grip 

• Finish: Flat Dark Earth Cerakote on receiver 

• Optics Mount: Top Picatinny rail for optics 

• Choke: Accu-Choke™ system (cylinder installed) 

• Overall Length: ~30.5 inches 

• Weight: Approx. 7.6 lbs 

• Classification: Class 3 / NFA short-barreled shotgun.