Mossberg 590A1 12 Gauge Pump-Action, 20 in Heavy-Wall Cyl Bore, 3" Chamber, Ghost-Ring Sights, Parkerized Finish
This Mossberg 590A1 combines a 20 in heavy-wall barrel, robust parkerized steel components, and factory ghost-ring sights with a protected front post. It is configured with a 3" chamber and Cyl Bore, features an integrated bayonet lug, and carries the correct North Haven, CT receiver roll marks. The shotgun retains its duty-ready layout with dual extractors, twin action bars, and a clean-out magazine tube.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Specific Condition Notes: There are markings from previous handling and use. Please refer to the photos for a close look at these areas.
What’s Included
- Mossberg 590A1 12 Gauge pump-action shotgun
The 20 in heavy-wall barrel is a Cyl Bore configuration and is paired with a 3" chamber to handle both 2.75" and 3" 12 gauge shells. Factory sights include a receiver-mounted adjustable ghost-ring rear and a protected front post with an orange insert for fast, precise indexing.
Steel components wear a parkerized/phosphate finish, while the aluminum alloy receiver is matte black. The receiver is roll-marked "M590A1" with "MOSSBERG NORTH HAVEN, CT U.S.A." markings. An integrated bayonet lug is built into the forward barrel/magazine clamp.
The under-barrel tubular magazine is stated at 6+1 capacity and includes a clean-out magazine tube. Dual extractors and twin action bars support consistent cycling. Controls are straightforward, with a tang-mounted manual safety, metal safety button, and a metal trigger guard.
The black synthetic stock has a fixed profile, a rubber recoil pad, and a rear sling swivel stud. Up front, the ribbed synthetic forend provides a secure grasp. Length of pull measures 14.5 inches, and the overall setup reflects Mossberg’s 590A1 configuration built in the United States.