Mossberg 590 12 Gauge Pump-Action Shotgun, 21 in Barrel, 7-Round Tube, Fixed Cylinder (C) Choke, Heat Shield
This Mossberg 590 stands out with its 21 in plain steel barrel paired to a fixed Cylinder (C) choke, an extended 7-round tubular magazine running to the muzzle with a knurled end cap, and a perforated metal heat shield. The aluminum-alloy receiver is drilled and tapped with three mounting holes, and controls include an ambidextrous top-tang safety. It features a durable synthetic stock, a ribbed synthetic fore-end, front and rear sling-swivel studs, and is chambered for 2 3/4 in and 3 in shells with a 14.5 in length of pull.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Specific Condition Notes: There are scuffs and finish wear consistent with prior use, and it functions well in handling.
What's Included
- Mossberg 590 12 Gauge pump-action shotgun
The 21 in plain (non-rib) steel barrel with a fixed Cylinder (C) choke delivers dependable patterns and simple sighting through the front bead. The perforated metal heat shield aids in heat management during extended shooting strings.
An extended tubular magazine brings capacity to 7 rounds and runs to the muzzle, capped with a knurled end cap for easy manipulation. The ribbed synthetic fore-end provides a positive grip through cycling.
The aluminum-alloy receiver keeps weight in check and is drilled and tapped with three mounting holes. An ambidextrous top-tang safety offers intuitive control for right- and left-handed users.
The synthetic stock and matching handguard are built for durability and weather resistance, complemented by a rubber recoil pad and sling-swivel studs front and rear. The length of pull measures 14.5 in for a consistent shoulder fit.
Chambered for both 2 3/4 in and 3 in shells, this full-size 12 gauge is configured for reliable pump-action performance with a straightforward front bead sight and rugged steel barrel and magazine tube construction.




