Mossberg Model 5500 12 Gauge Semi-Auto, 28 Inch Vent-Rib Barrel, 2 3/4 Inch Chamber, Accu-Choke IMP CYL, Blued Receiver, Silver Barrel, North Haven USA
This Mossberg Model 5500 is a gas-operated 12 gauge semi-automatic built in North Haven, Connecticut, with a fixed gas-port system and right-side ejection. It features a 28 inch vent-rib barrel threaded for Mossberg Accu-Choke tubes and comes with an installed Improved Cylinder choke. The shotgun is configured for 2 3/4 inch shells only, offers a 4+1 capacity, and wears a blued receiver with a silver/in-the-white barrel and vent rib, paired with hardwood furniture and a 14.0 inch length of pull.
Condition
Overall Condition: Fair condition, showing extensive signs of prior use and handling.
Bore Condition: Fair - Generally clean, some residue or smudges, slight corrosion.
Specific Condition Notes: There is widespread scratching and blemishing to the shotgun's finish. There is widespread rust and pitting, including pitting inside the action and on the chamber face. The ventilated rib is intact at factory length with evenly spaced posts to the muzzle and the front bead present. The bore presents as clean and shiny.
What’s Included
- Mossberg Model 5500 12 gauge semi-automatic shotgun
- Installed Mossberg Accu-Choke flush knurled IMP CYL choke tube
The Model 5500 uses a fixed gas-port, gas-operated system and ejects to the right with a reciprocating bolt handle, delivering the familiar Mossberg semi-auto handling. It is chambered for 2 3/4 inch shells only and has a 4+1 capacity.
The 28 inch vent-rib barrel is threaded for Mossberg Accu-Choke tubes. An Improved Cylinder choke is installed, and the tube is the flush, knurled style. The thread pattern matches Mossberg Accu-Choke.
Sighting is straightforward with a single front bead. The hardwood stock and matching forend feature checkering and a pistol-grip profile for a solid hold. Length of pull measures 14.0 inches.
The receiver retains a blued finish, while the barrel and ventilated rib are silver/in-the-white with the original bluing worn/removed. Manufacturer markings indicate production in North Haven, Connecticut, USA. The receiver complements the classic hardwood furniture.

