Remington Model 870 12 Gauge Pump-Action Slug Gun, 20 in Fully Rifled Barrel, 3 in Chamber, Rifle Sights, 4+1
This customized Remington Model 870 is configured as a dedicated slug gun with a 20-inch fully rifled barrel and rifle sights. It features a receiver-mounted full-length Picatinny top rail and upgraded furniture including a Magpul MOE 870 forend and an ATI adjustable telescoping buttstock with a pistol grip. The 3-inch chamber and 4+1 capacity round out a practical, purpose-built setup.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Markings and significant surface rust are present throughout from previous handling and use. The bore is bright and clean. Refer to pictures.
What’s Included
- Remington Model 870 12 Gauge pump-action shotgun with 20-inch fully rifled barrel and rifle sights
- UTG 870A receiver saddle/top Picatinny rail (installed)
- Magpul MOE 870 polymer forend (installed)
- ATI adjustable telescoping buttstock with rubber buttpad (installed)
- ATI textured polymer pistol grip (installed)
The 20-inch fully rifled barrel and rifle sights define this 870’s slug gun configuration. A ramped front sight pairs with an adjustable, barrel-mounted rear sight for precise alignment. The plain crowned muzzle shows no visible choke tube, consistent with a rifled slug barrel.
Chambered in 12 Gauge with a 3-inch chamber, this pump-action 870 uses the model’s proven dual action bars and a standard-length magazine tube for a 4+1 capacity. The steel receiver provides a solid foundation for the build.
Installed upgrades include a Magpul MOE 870 polymer forend for confident manipulation and an ATI adjustable, telescoping stock with a rubber buttpad. The textured ATI pistol grip adds secure control. Length of pull measures 13.5 inches.
A UTG 870A receiver saddle/top rail provides a full-length Picatinny mounting surface on the receiver. Overall, the components and setup reflect a focused, practical configuration for rifled-barrel slug use.