Remington 870 Express Magnum 12 Gauge Pump-Action, 20 in Vent-Rib Barrel, Matte Blued, Synthetic Stock, 3 in Chamber
This Remington 870 Express Magnum is a 12-gauge, 3-inch receiver variant with a 20-inch ventilated-rib carbon steel barrel and a matte blued finish. It features black synthetic furniture with molded checkering and a recoil pad, a 4+1 capacity, and the proven twin action bar system.
The steel receiver is rollmarked "Remington 870 EXPRESS MAGNUM" and has a smooth, non-drilled/tapped top with right-side ejection and a polymer trigger guard. The barrel is marked 12 GA and notes use of 2 3/4 in or 3 in shells in Magnum receivers, aligning with the 3-inch Express Magnum specification.
Furniture includes a black synthetic stock and fore-end with molded checkering and a Remington "R" on the fore-end, plus a recoil pad. Length of pull is 14.0 inches for a standard fit.
Operational features include twin action bars for support, a cross-bolt safety, and a standard-length magazine tube with a knurled cap. Capacity is 4+1. Made in the USA.
Condition
Overall Condition: Poor condition.
Bore Overall Condition: Poor - Noticeable dirt, stains, significant corrosion or damage.
Specific Condition Notes: This is a gunsmith special. The action functions inconsistently, and the trigger will not reset properly. Sold as is.
What’s Included
- Remington Model 870 Express Magnum 12 Gauge pump-action shotgun

