M1919 Browning
Browning Arms Company · Machine Gun · Discontinued · 1919
Also known as: M1919, Thirty Cal, .30 Cal Browning, Light Thirty, Browning Machine Gun, Caliber .30, M1919
Overview
The M1919 Browning is an American .30 caliber air-cooled, short-recoil-operated, belt-fed medium machine gun designed by John Moses Browning and adopted by the United States in 1919. Developed directly from Browning's water-cooled M1917 heavy machine gun, the M1919 replaced the bulky water jacket with a lighter perforated air-cooling shroud, originally to create a more compact weapon suitable for mounting inside tanks and other vehicles. Chambered in .30-06 Springfield and fed from 250-round fabric or disintegrating-link belts, the gun operates on a short-recoil action with a vertically moving locking block and fires from a closed bolt, giving it strong first-round accuracy in the indirect fire role. With a 24-inch (610 mm) barrel, an empty weight of roughly 14 kg (31 lb), and a cyclic rate of 400-550 rounds per minute, the M1919 was typically deployed on the low-slung M2 tripod to provide infantry with a crew-served medium machine gun effective out to around 1,000 meters. Over its service life the design spawned a large family of variants - including the definitive infantry M1919A4, the lightened M1919A6 with shoulder stock and bipod, the high-rate AN/M2 aircraft gun, and the M37 tank coaxial - and was adopted by dozens of nations. The M1919 series served as the backbone of U.S. and Allied automatic firepower through World War II and the Korean War before being superseded by the M60 in U.S. service in 1957, while 7.62x51mm NATO conversions of the platform remained in frontline use with other nations for decades afterward.
Specifications
| Weight (empty) | 14060 g (496.0 oz) |
| Overall Length | 1041 mm (40.98") |
| Barrel Length | 610 mm (24.02") |
| Action Type | Recoil Operated |
| Firing Mechanism | Closed Bolt |
| Trigger Type | Single Stage |
| Magazine Capacity | 250 rounds |
| Magazine Type | Belt |
| Muzzle Velocity | 860 m/s (2822 fps) |
| Muzzle Energy | 3600 J (2655 ft·lbf) |
| Effective Range | 1000 m (1094 yd) |
| Maximum Range | 1370 m (1498 yd) |
| Rate of Fire | 500 rpm |
| Barrel Rifling | Right Hand |
| Rifling Twist | 254 mm (10.00") |
| Number of Grooves | 4 |
| Frame Material | Steel |
| Barrel Material | Steel |
| Stock Material | Wood |
| Finish | Parkerized |
Calibers
- .30-06 Springfield · primary — also known as .30-06, 7.62x63mm, .30 Gov't '06, Caliber .30 M1906
Features
- Firing modes: Full Automatic
- Feed systems: Fabric Belt, Disintegrating Link Belt
- Safety mechanisms: Manual Safety, Closed Bolt System
- Features: Air Cooled, Perforated Barrel Jacket, Short Recoil Operated, Belt Fed, Tripod Mounted, Spade Grip, Iron Sights, Vehicle Mountable, Coaxial Mountable, Crew Served
Variants
- M1919A1 — Early Variant
- M1919A2 — Cavalry Variant
- M1919A4 — Infantry Variant
- M1919A6 — Infantry Lmg Variant
- AN/M2 — Aircraft Variant
- M37 — Tank Coaxial Variant
Service history
Operators
- United States Army · adopted 1919 · as M1919
- United States Marine Corps · adopted 1919 · as M1919
- British Armed Forces · adopted 1940 · as M1919A4
- Canadian Armed Forces · adopted 1940 · as C1/C5
- Israel Defense Forces · adopted 1948 · as M1919
- Republic of Korea Armed Forces · adopted 1950 · as M1919A4
- French Armed Forces · adopted 1944 · as M1919A4
- Australian Defence Force · as L3A1/L3A2
Conflicts
- World War II (1939-1945)
- Korean War (1950-1953)
- 1948 Arab-Israeli War (1948-1949)
- First Indochina War (1946-1954)
- Vietnam War (1955-1975)
Production
Production years: 1919-1945
Total M1919 family production across all variants ran into the millions, with WWII output dominated by the Saginaw Steering Gear Division of General Motors, Rock Island Arsenal, and Buffalo Arms Co. in the United States, plus BSA in the United Kingdom. The M1919A4 was the most numerous single variant.
Origin
Country of origin: United States
Designer: John Moses Browning
Discontinued: 1957
Notes
This entry covers the base M1919 series; the most numerous production variant was the M1919A4. The original 1919 model was conceived primarily as a tank and vehicle machine gun before the air-cooled design was adapted for general infantry use. Unlike the contemporary German MG34/MG42, the M1919 lacks a true quick-change barrel - barrel changes require tools and are comparatively slow, limiting sustained fire. Early guns used woven fabric belts, later supplemented by metallic disintegrating M1 links. Post-war NATO conversions to 7.62x51mm (such as Canada's C1/C5) extended the platform's service life well past its U.S. retirement.
Background
The M1919 began life as John Moses Browning's answer to the need for a machine gun small enough to fit inside the cramped fighting compartment of a tank. By stripping the heavy water jacket from his proven M1917 design and replacing it with a slotted air-cooling shroud, the U.S. Army gained a weapon light enough for a rifle squad yet rugged enough to arm jeeps, half-tracks, fighter aircraft, and armor. American GIs came to call any U.S. crew-served .30 a 'thirty,' and the gun's reputation for reliability kept rechambered NATO conversions of the same receivers in combat well into the late 20th century.