The Remington Model 870 is a pump-action shotgun manufactured by Remington Arms Company, LLC. It is widely used by the public for sport shooting, hunting, and self-defense and used by law enforcement and military organizations worldwide.
Remington 870 Wmaster.jpg
Remington Model 870 12 Gauge pump action shotgun
Place of origin
Lebanese Civil War
L.Ray Crittendon, Phillip Haskell, Ellis Hailston, G.E. Pinckney
Wingmaster, Express, Marine, SPS, SPS-T, XCS, Tac-14, Super Mag, MCS, DM, Tac-14 DM
7.0 lb (3.2 kg) to 8.0 lb (3.6 kg)
37.25 in (946 mm) to 50.5 in (1,280 mm)
14 in (360 mm) to 30 in (760 mm)
12 gauge, 16 gauge, 20 gauge, 28 gauge, or .410 bore
4+1, 5+1, 6+1, or 7+1 round internal tube magazine, or an external 6+1 box magazine
Bead, twin bead, adjustable open sights, or ghost ring (all iron sights). Also cantilever and receiver-mounts for scopes
The Remington 870 was the fourth major design in a series of Remington pump shotguns. John Pedersen designed the fragile Remington Model 10 (and later the improved Remington Model 29). John Browning designed the Remington Model 17 (which was later adapted by Ithaca into the Ithaca 37), which served as the basis for the Remington 31. The Model 31 was well liked, but struggled for sales in the shadow of the Winchester Model 12. Remington sought to correct that in 1950 by introducing a modern, streamlined, rugged, reliable, and relatively inexpensive shotgun – the 870.
Sales of the 870 have been steady. They reached two million guns by 1973 (ten times the number of Model 31 shotguns it replaced). As of 1983, the 870 held the record for best-selling shotgun in history with three million sold. By 1996, spurred by sales of the basic "Express" models, which were added as a lower-cost alternative to the original Wingmaster line, sales topped seven million guns. On April 13, 2009, the ten millionth Model 870 was produced.
The 870 features a bottom-loading, side ejecting receiver and a tubular magazine under the barrel. The gun comes with a plug for hunting which reduces the magazine's capacity to two rounds. It has dual action bars, internal hammer, and a bolt which locks into an extension in the barrel. The action, receiver, fire control group, safety catch and slide release catch of the Remington Model 870 shotgun are similar to those used on the Remington Model 7600 series pump-action centerfire rifles and carbines. The basic fire control group design was first used in the automatic 11–48. Twelve gauge stocks will also interchange on the older 12-gauge-sized 20-gauge receivers, although modification is needed to fit the smaller sized 20-gauge receivers employed since the late 1970s. Several parts of the 870 will interchange with the semi-automatic Remington 1100 and 11–87.
The original 870 models were offered with fixed chokes. In 1986 Remington introduced the new Remington "Rem Choke" system of screw-in chokes (also fitted to Remington model 1100 auto-loading shotguns at the same time). Initially, the Rem Chokes were offered only in 12 gauge in barrel lengths of 21", 26", and 28". The following year the availability was expanded to the 20 gauge and included other barrel lengths.
Production 870s for over 30 years had a design whereby a user could fail to press a shell all the way into the magazine when loading such that the shell latch did not engage the shell, and such actions could tie up the gun. This was caused by the shell which slipped out of the magazine under the bolt in the receiver to bind the action, requiring rough treatment of the action or even disassembly to clear by the uninitiated. The potential issue was resolved with the introduction of the "Flexi Tab" carrier. Guns with this modification can be identified by the "U"-shaped cut-out on the carrier, visible from below the gun. The cut-out, combined with a modified machining on the underside of the slide assembly, allows the action to be opened with a shell on the carrier.
There are hundreds of variations of the Remington 870 in 12, 16, 20, 28 gauges and .410 bore. In 1969 Remington introduced 28 gauge and .410 bore models on a new scaled down receiver size, and in 1972 a 20 gauge Lightweight version was introduced on the same sized receiver, and all of the smaller gauges today are produced on that size receiver. From the original fifteen models offered, Remington currently produces dozens of models for civilian, law enforcement, and military sales. 870 variants can be grouped into:
Express – Matte blue/black bead-blasted with hardwood, laminated hardwood or synthetic stocks and chambered for 2 3/4" and 3" 12 or 20 gauge shotshells. All Expresses have been chambered in 3" in 12 and 20 gauge, but markings have varied.
Marine – Nickel-plated with synthetic stocks.
Mark 1 – adopted by the United States Marine Corps in the late 1960s and saw service into the 21st century. The Model 870 Mark 1 has a 21-inch (53 cm) barrel with an extended magazine increasing total capacity to 8 rounds, and was fitted with an adapter allowing use of the standard M7 bayonet for the M16 rifle.
MCS (Modular Combat Shotgun) – A new modular version of the M870 which can be quickly modified with different barrels, magazine tubes, and stocks for different purposes, such as urban combat and door breaching.
Police – Chambered in 12 gauge only with a 3" magnum chamber. Blued or Parkerized steel finish. These models feature a stronger sear spring, carrier latch spring, and a forged steel extractor (as opposed to the MIM extractor found on Express models). Receivers are stamped "Remington 870 Police Magnum" as of 2014. They are equipped with Police-specific walnut or synthetic stocks which are fitted with sling mounts. Walnut stocks lack checkering as found on the Express/Wingmaster models. 870P models come with matching walnut or synthetic forends that are shortened to prevent interference with most vehicle-mounted rack systems. The shortened forend also allows quick visual inspection of the magazine regardless of what position the forend is in, whereas the lengthened sport-type forend on other models partially blocks the loading port when pulled to the rear. Police models are available with 18" or 20" barrels, with or without rifle sights, and have a standard capacity of four rounds. They can be ordered with a two or three round extended magazine tube from the factory, bringing total capacity to 6+1 (18" barrel) or 7+1 (20" barrel). All police barrels come with an Improved Cylinder choke unless special ordered.
Super Mag – Chambered for 3½" 12 gauge shotshells.
Wingmaster – Blued steel with high gloss or satin walnut stocks. They have been offered in Skeet, Trap, and field configurations. Originally the basic Wingmaster was chambered for 2 3/4" rounds and came with a fixed choke, and the 3" chambered versions were designated Magnum models. Models built after 1986 offer the RemChoke Interchangeable choke tube system, and the 12 and 20 gauge versions are chambered in 3" for either 2 3/4" or 3" shells. Prior to the introduction of the "Police" model 870, altered Wingmasters were popular among law enforcement.
Tac-14 – Black oxide receiver finish, with a synthetic stock. The Tac-14 is meant to be extremely short, but retains the reliability and stopping power of previous models. It is chambered in 12 gauge, with a 14" barrel and a capacity of 4+1.
Tac-14 DM - Similar to the regular Tac-14, varying only in the fact that it uses an external box magazine rather than the internal tube magazine in other models. This allows for the size of the Tac-14, but a capacity of 6+1.
870 DM - Matte Blue receiver finish with a synthetic stock. Differs from other 870 models with an external box magazine, similarly to the Tac-14 DM, allowing a capacity of 6+1.
200th Anniversary Edition – To celebrate the 200th Anniversary of Remington, two models were designed. One was a Wingmaster with some styling in the wood and a golden emblem on the bottom of the stock. The second was a limited edition Wingmaster that stopped production after 2016, with the same styling, but extended across the entirety of the stock and pump, and also extends to the receiver and barrel, with a golden ring on the end of the barrel. The emblem on the bottom is also a richer gold, possibly real gold, and there is a golden ribbon under the shell ejection reading "1816 Bicentennial 2016" along with a golden trigger, and a golden symbol of a hunter with a firearm in hand walking.
Arms manufacturer Norinco, of the People's Republic of China, has made unlicensed copies of the Remington 870 as the design is no longer under patent protection. The most common of these designs are the Norinco HP9-1 and M-98, the difference being that the HP9-1 has either a 12.5" or 14" barrel, whereas the M-98 has an 18.5" barrel. In the United States, where most Norinco products are specifically non-importable, this shotgun was imported and sold under the names Norinco Hawk 982 and Interstate Hawk 982.
A U.S. Coast Guard petty officer from Maritime Safety and Security Team 91106 armed with an Mķ870P fitted with a Trijicon reflex sight and a Speedfeed stock.
The Remington 870 12-gauge shotgun loaded with pyrotechnical shells (blanks) is seen here used as a last resort to scare off unwanted birds in flight from the vicinity of Incirlik Air Base.
A U.S. Air Force Security Forces Marine Patrol airman from MacDill AFB with an M870.
Country Organization name Quantity Date Reference
Afghanistan _ _ 
Argentina Argentine Army _ _ 
Australia Australian Defence Force _ _ 
Austria EKO Cobra _ _ 
Bangladesh Bangladesh Army _ _ 
Dhaka Metropolitan Police SWAT _ _ 
Belgium Federal Police Special Units _ _ 
Belgian Armed Forces _ 2008 
Canada Canadian Armed Forces _ _ 
Royal Canadian Mounted Police (RCMP) _ _ 
Canadian Coast Guard (CCG) _ _ 
Ontario Ministry of Natural Resources (MNR)
Correctional Service Canada (CSC)
Garda World - Cash Services
Toronto Police Service (TPS)
Ontario Provincial Police (OPP) _ _ 
London Police Service (LPS) _ _ 
Royal Newfoundland Constabulary (RNC) _ _ 
Chile _ _ 
Ecuador _ _ 
Finland Finnish Army _ _ 
Germany Bundeswehr, GSG 9, and Spezialeinsatzkommandos _ _ 
Greece EKAM counter-terrorist unit of the Hellenic Police _ _ 
Hong Kong Hong Kong Police Force, Hong Kong Customs, Hong Kong Correctional Services, Bird Control Unit of Airport Authority Hong Kong, Agriculture, Fisheries and Conservation Department and cash security firms _ _ 
Iraq _ _ 
Iran Law Enforcement Force of the Islamic Republic of Iran _ _ 
Ireland Army Ranger Wing, Special Detective Unit, Emergency Response Unit _ 2000 
Israel Israel Defense Forces and YAMAM _ _ 
South Korea Republic of Korea Naval Special Warfare Brigade _ _ 
Luxembourg Unité Spéciale de la Police group of the Grand Ducal Police _ _ 
Malaysia Royal Malaysia Police _ _ 
Malaysian Prison Department _ _
Malaysian Maritime Enforcement Agency _ _
Department of Immigration (Malaysia) _ _
RELA Corps _ _
Various special operations such as:
Grup Gerak Khas
JMF Elite Forces
Pasukan Khas Laut (PASKAL)
Pasukan Khas Udara (PASKAU)
Pasukan Gerakan Khas
Unit Gempur Marin
Grup Taktikal Khas
_ _ 
Mexico _ _ 
Norway _ _ 
Philippines Philippine National Police, Special Action Force, Philippine Army _ _
Poland Policja _ _
Polish Special Forces _ _
Sierra Leone Sierra Leone Police 51+ After 2001 
Singapore Singapore Police Force (including STAR and Police Coast Guard) _ _
Spain Special Group of Intervention (GEI) of the Mossos d'Esquadra _ _ _
Sweden Swedish Armed Forces (designated "Understödsvapen 870") _ _ 
Switzerland Swiss Armed Forces (designated Mehrzweckgewehr 91; MzGw 91) _ _ 
Taiwan Taiwan Coast Guard, Taiwan Reserve Army (T85 Shotgun) _ _
Thailand Royal Thai Police, Royal Thai Army, Royal Thai Air Force _ _
United Kingdom United Kingdom Special Forces (designated L74A1), Police Service of Northern Ireland and Specialist Firearms Officers as a breaching weapon _ _ 
United States U.S. Border Patrol _ _ 
U.S. Department of Education 27 2010 
U.S. Military (designated M870) _ _ 
U.S. Secret Service 1,600 2001 
Internal Revenue Service 60 2010 
Federal Bureau of Investigation (including SWAT and HRT) 
United States Marshals Service 
Various police forces such as:
California Highway Patrol (since 1965)
Los Angeles Police Department 
Sparta, New Jersey
Alaska Department of Corrections
Idaho Department of Corrections
Pennsylvania State Police
Las Vegas Police Department
Texas Department of Criminal Justice
Wisconsin Department of Corrections
Virginia State Police
Indiana State Police
New York Counter-Terrorism Bureau
List of individual weapons of the U.S. Armed Forces
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Blog and forum about Remington 870