

18.5' barrel with 5-round capacity or 20' barrel with 8-round capacity. Defense: an affordable 12 or 20 gauge model built for home defense purposes.28 Gauge: 28 gauge model built on traditional size 28 gauge receiver.Because of its barrel length and overall length, this model is classified as a National Firearms Act 'any other weapon' and must be registered with ATF. Stakeout: short version with a 13 inches (330 mm) barrel and pistol grip stock, which was notable for being the signature weapon for Ricardo Tubbs, Philip Michael Thomas' character on Miami Vice as well as being the secondary weapon of Corporal Hicks in Aliens (although it was technically a modified hunting variant) and Aliens: Colonial Marines, where it has the words 'no fate' carved into the top, a reference to Michael Biehn's role in The Terminator.Deerslayer: a version with a shortened barrel and rifle-style sighting system.Ultralite: an aluminum receiver variation.New bayonets were manufactured by General Cutlery, Inc. Others were fitted with a ventilated handguard and bayonet adapter. Some had 'duckbill spreader' shot diverters for use by United States Navy SEALs. A few later contracts produced smaller numbers of guns with sling swivels and serial numbers in the high 900,000 range. The guns have a Parkerized finish with a 20 inches (51 cm) barrel and plain stock with plastic butt plate and no sling swivels. S-prefixed serial numbers ran from approximately 1,000 to 23,000 with 'U.S.' on the receiver and 'P' proof markings on the barrel and receiver. S-prefix: were manufactured for a 1962 United States military contract.There are versions too numerous to mention. The Model 37 featherlight was commonly seen in the hands of farmers and hunters in the midwestern United States. The Ithaca 37 remains a popular choice among civilians for both sport and personal protection. Along with the Los Angeles County Sheriff's Department, numerous other users include military, police, security agencies, and prisons around the world.

The Ithaca was issued by the LAPD beginning in the 1940's and remained in service until the late 1990's. The largest single users outside the US Military were the New York City Police Department in 2 versions- 13' barrel with forend hand-strap for the Emergency Service Unit and 18' barrel for the Highway Patrol and in a short-lived program spanning from the late 1970s to early 1980s by designated low crime precinct solo patrol officers and the Los Angeles Police Department. The Model 37 was used by the United States armed forces in World War II, the Korean War, and especially the Vietnam War, where it gained a great reputation for reliability in the jungles of Vietnam.
