Mossberg 500A 12 Gauge Pump-Action Shotgun, 24 inch Ported Cylinder-Bore Barrel, 5+1, Receiver Rail, Wood Stock
This Mossberg Model 500A is a 12-gauge pump-action shotgun configured with a 24 inch smoothbore, fixed cylinder choke barrel featuring muzzle porting, plus a receiver-top Weaver/Picatinny-style rail. It is a United States-made, aluminum-alloy–receiver 500A variant with wood furniture and a tang-mounted ambidextrous safety, offered here in very good condition.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Good - Clean, well-maintained, minor wear marks.
Bore Fouling: Mild Fouling - Light buildup of fouling or dirt.
There are minor, superficial scratches and blemishes. No sights are installed. The receiver is fitted with a Weaver/Picatinny-style accessory rail for mounting sights.
What’s Included
- Mossberg Model 500A 12-gauge pump-action shotgun
- Receiver-top Weaver/Picatinny-style accessory rail (installed)
The 24 inch smoothbore barrel uses a fixed cylinder choke and features muzzle porting. It is a plain (no rib) barrel configuration that keeps the setup straightforward and durable.
The receiver is aluminum alloy with an anodized finish and is drilled and tapped. It is fitted with a Weaver/Picatinny-style accessory rail to mount sights as desired.
The action employs twin action bars, dual extractors, an anti-jam elevator, and steel-to-steel lockup. This 500A variant is chambered for 2 3/4 and 3 inch shells and feeds from a 5+1 tubular magazine.
Controls and furniture are equally practical: a tang-mounted ambidextrous safety, wood stock and forend with pressed checkering, a ventilated rubber recoil pad, sling swivel studs, and a 13.75 inch length of pull.

