Mossberg 590 12 Gauge Pump-Action Shotgun, 18.5 in Cylinder Bore Breacher Barrel, Bead Sight, 4+1 Capacity
This Mossberg 590 is a U.S.-made 12 gauge pump-action shotgun built around a compact 18.5 in cylinder bore barrel and a tang-mounted safety. It is marked on the receiver underside/front "MOSSBERG / NORTH HAVEN, CT / U.S.A. / 590 / 12 GA." and the receiver is also marked "M500." The barrel is fitted with a stand-off, breacher-style muzzle device featuring large side ports/slots and a crenellated forward edge.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Fair - Generally clean, some residue or smudges, slight corrosion.
Specific Condition Notes: The shotgun shows signs of wear and handling with scratches and blemishes. The bore has major signs of wear.
What's Included
- Soft shotgun scabbard with MOLLE-style webbing and shoulder strap
Chambered for 2 3/4 in and 3 in shells, this 590 offers flexibility for common 12 gauge loads. The 18.5 in cylinder bore barrel keeps the setup straightforward, and the bead front sight provides a clean, simple sighting system.
The shotgun is configured with a synthetic pistol-grip-only (finger-groove style) stock and a ribbed synthetic forend. The action is pump-operated, and the tang-mounted safety is positioned for easy access from either side.
This example includes rails (listed as true) and features a right-side ejection port. The firearm wears a matte dark finish, and the markings identify North Haven, Connecticut manufacture.
A breacher-style muzzle device is installed at the muzzle, with large side ports/slots and a crenellated forward edge. This detail, along with the compact barrel length and cylinder bore, defines the overall configuration of this particular 590.