Mossberg Model 500A 12 Gauge Pump-Action Shotgun with 28 in Ported Vent Rib Accu-Choke Barrel
This Mossberg Model 500A is a U.S.-made 12 gauge pump-action shotgun with a 28 in vent rib, ported barrel and an Accu-Choke system. It is marked on the receiver "Mossberg", "MADE IN U.S.A.", "NORTH HAVEN, CONN.", and "500A 12 GA", with barrel markings that confirm it is chambered for 2 3/4 and 3 in shells. It features a tang-mounted sliding safety, a bead front sight, and classic wood furniture with checkered gripping panels.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Specific Condition Notes: There are some markings from previous handling and use. The bore is bright and clean. Refer to pictures.
What’s Included
- Firearm
The receiver is aluminum and is marked with Mossberg manufacturing details, including "NORTH HAVEN, CONN." The barrel is marked "12 GA - 28 IN. ACCU-CHOKE" and "CHAMBERED FOR 2 3/4 AND 3 IN. SHELLS", and it also includes a large "WARNING" text block with an address line including "EAGLE PASS, TX, U.S.A. 78855".
This configuration includes a 3 in chamber, a vent rib, and porting. The front sight is a light/white-colored bead, giving a clear, simple sight picture suited to a bead-sighted shotgun setup.
It is fitted with a wood stock and matching wood forend with checkered gripping panels. The stock includes a ventilated rubber recoil pad, and the listed length of pull is 14.0.
The included notes list a 2+1 capacity and a Cylinder choke. The installed choke tube is not visually confirmable.




