Original sentence: This model was created to compete with Mossberg.Wingmaster– Polished bluing and glossy wood finishes
Edited sentence: Also, because the Express is not intended for hard use and the rigors of military and police work, the internal spring set is lighter and it is only chambered for the 2.75" variant of the 12 Gauge round.An entire Remington plant is devoted to making the 870 Police Magnum.Based on the Express platform but with a factory magazine extension and a 3" Magnum chambering.Based on the Express platform but with a factory-installed magazine extension and a 3" Magnum chambering.Due to the fact that these shotguns were specifically created to be bargain priced in order to compete with companies like Mossberg, there is little human involvement/quality control in the process of making the Express, sometimes leaving burrs/marring in the receiver.In order to use less expensive magazine springs, the Express series also has a pair of dimple in the magazine tube, which hold it in place, but which also make it more difficult to expand the magazine size beyond 4 rounds.Incorporates cheaply-made cast and Metal Injection Molded (MIM) parts, a plastic trigger group an an internal locking mechanism (Remington's J-Lock Internal Safety System/ISS).It features a heavy-duty spring set, all-metal construction, and optional extras such as ghost-ring or rifle sights, pistol grip stocks, breaching devices, weaponlights, sidesaddles, cases and slings.It has many variants with different choices in furniture, sights, magazine capacity and more.The Express Magnum version will accept 3" shells, however, and the Express Super Magnum will accept 3 1/2" shells.The original, and also the most expensive, Remington 870 Variant, this shotgun is designed for law enforcement and military use (though it is still perfectly legal to own as a civillian in the United States).The user must file down the two dimples with a dremel tool, and then get a new magazine spring, before adding a magazine extension is possible.This shotgun goes through 23 individual quality control checkpoints and a lengthy test-fire process to ensure that everything works as it should.This variant has no  MIM, cast or plastic parts, everything is forged or milled.Wingmaster– Polished bluing and glossy wood finishes set off by a 14k Gold trigger in an Aluminum trigger group