Remington 11-87

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Remington 11-87
Type	Shotgun
Place of origin	United States
Service history
Used by	United States
Production history
Designed	1987
Manufacturer	Remington Arms
Specifications
Weight	3.6 kg with 18" barrel
Length	varies with model
Barrel length	254 mm (10 inches) - 762 mm (30 inches)

Cartridge	12 gauge,20 gauge
Action	semi-automatic
Effective range	40 m
Feed system	up to 7+1 rounds, internal tube magazine

The Remington 11-87 is a semi-automatic shotgun manufactured by Remington Arms. It is based on the Remington 1100 and was first announced in 1987.

The 11-87 is a gas operated semi-automatic (autoloading) shotgun, meaning that some of the high pressure gases from the burning gun powder are diverted through two small holes in the under side of the barrel ^[1]. The gases force a piston (and the bolt) toward the rear of the shotgun, which in turn ejects the spent shell. A spring then forces the bolt forward, sending a fresh shell into the chamber. This gas operation has the effect of reducing the recoil felt by the shooter, since the total recoil energy is spread out over a longer period of time than would be the case with fixed breach shotguns^[2].

The 11-87 comes in two different gauges. 20ga. 2-3/4", 3", or 12ga. 2 3/4", 3"magnum along with 3-1/2" super magnum^[3]. Some 11-87's have interchangeable screw-in chokes, although barrels are available with fixed chokes. The barrels are not interchangeable between 1100 and 11-87 models. Barrel length are from the police 14" all the way up to 30".