Winchester Model 37

Winchester Model 37 shotgun

Type	Shotgun
Place of origin	United States
Service history
Used by	US National Guard
Production history
Designer	Winchester
Designed	Circa
Manufacturer	Winchester Repeating Arms Company
Produced	1936–1963
Number built	1,015,554
Variants	Model 37, Model 37A
Specifications
Weight	6 lbs. (2.7 kg)
Length	Various
Barrel length	Various

Caliber	12-gauge, 16-gauge, 20-gauge, 28-gauge, and 410-gauge
Action	Break-action
Feed system	Single Round
Sights	Front Bead

Overview

The Winchester Model 37 (M37) Single Shot Shotgun is an American firearm. It was in production from 1936-1963 with 1,015,554 units made. This model was developed by Winchester with a standard visible hammer action for many years. The Winchester Model 37 uses a top-cocking lever, breakdown type of action with an automatic shell ejector. The first M37 shotguns were delivered on February 10, 1936 according to factory records. Notably M37 shotguns were not serial numbered.

Technical Specifications

The M37 came in two styles, Standard and Boy's Model (introduced 1958). Modified choke or cylinder bore was furnished at no extra charge on special order only. The M37 was chambered in the following gauges and shells respectively: 12, 16, 20, 28, and 410 using 2 3/4", 2 3/4", 2 3/4", 2 7/8", 3" shells. The M37 unit weight was between 5 3/4 to 6 lbs, the fluctuation was dependent on the chambered gauge.

History

During World War II, the National Guard soldier used Winchester Model 37 12 gauge shotguns.

Production

Production changes included the folded sheet metal "pigtail" omission in the second year of production to a solid steel construction. The 410 gauge production started in the second year (1937). Early Winchester models referred to as "Red Letter" shotguns were stamped with the Winchester name and filled with red custom enamel paint until 1948. Unfortunately, M37's were manufactured without date stamps or serial numbers. There are no factory records for the yearly number of shotguns produced from 1936-1963 the entire production run.

Sources: The History of Winchester Firearms 1866-1992 By Thomas Henshaw

Winchester firearms and cartridges

Rifles

Lever-action	Henry rifle Model 1866 Model 1873 Model 1876 Model 1886 Model 1892 Model 1894 Model 1895 Model 53 Model 55 Model 64 Model 65 Model 71 Model 88 Model 150 Model 250 Model 255 Model 9422

Bolt-action	Model 1878 Hotchkiss Model 1895 Lee Navy Model 1900 Model 1902 Model 1904 Model 43 Model 47 Model 51 Imperial Model 52 Model 54 Model 56 Model 57 Model 58 Model 59 Model 60 Model 60A Model 67 Model 68 Model 69 Model 70 Model 72 Model 75 Model 121 Model 131 Model 141 Model 320 Model 325 Model 670 Model 770

Pump-action	Model 1890 Model 1906 Model 61 Model 62 Model 62A Model 270

Semi-automatic	Model 1903 Model 1905 Model 1907 Model 1910 Model 30 Model 63 Model 74 Model 77 Model 100 Model 190 Model 490

Full-automatic	Olin/Winchester FAL Model 1917

Falling-block action	Model 1885

Shotguns

Pump-action	Model 1893 Model 1897 Model 1912 Model 25 Model 42 Model 1200 Model 1300

Lever-action	Model 1887 Model 1901 Model 9410

Single-shot	Model 20 Model 36 Model 37 Model 37A Model 41

Double-barrel	Model 21 Model 24 Model 96 Model 101

Semi-automatic	Model 1911 SL Model 40 Model 50 Model 59 Model 1400 Model 1500 SX-1

Cartridges

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