The Remington Model 870 is a pump-action shotgun manufactured by Remington Arms Company, LLC. Also cantilever and receiver-mounts for scopes 410 boreģ+1, 4+1, 5+1, 6+1, or 7+1 round internal tube magazine, or an external 6+1 box magazineīead, twin bead, adjustable open sights, or ghost ring (all iron sights). Wingmaster, Express, Marine, SPS, SPS-T, XCS, Tac-14, Super Mag, MCS, DM, Tac-14 DMġ2 gauge, 16 gauge, 20 gauge, 28 gauge, or. L.Ray Crittendon, Phillip Haskell, Ellis Hailston, G.E. Remington Model 870 12 Gauge pump action shotgun (Wingmaster model)