MAS-49

Manufacture d'armes de Saint-Etienne · Battle Rifle · Out Of Production · 1949

Also known as: MAS Mle 1949, MAS Mle 49, Fusil Semi-Automatique MAS modele 1949, MAS-49/56, MAS Mle 1949/56

Overview

The MAS-49 is a French semi-automatic battle rifle developed by the Manufacture d'Armes de Saint-Etienne and adopted by the French Army in 1951. Chambered in the rimless 7.5x54mm French service cartridge, the rifle grew out of the experimental MAS-44 program and represented one of the first mass-produced service rifles to employ a direct-impingement gas system, in which propellant gases are tapped from the barrel and vented directly against the bolt carrier without an intermediate piston. The original MAS-49 featured a fixed wooden stock, a 10-round detachable box magazine that could be reloaded via five-round stripper clips, and integral launcher sights for firing rifle grenades from a muzzle cup. In 1956 the design was substantially revised as the MAS-49/56, which shortened the rifle, integrated a folding bayonet, added a rubber butt pad, and redesigned the grenade launcher for NATO-standard 22mm rifle grenades. The MAS-49 series equipped French troops and colonial forces throughout the First Indochina War, the Suez Crisis, the Algerian War, and numerous post-colonial interventions in Africa. Approximately 80,000 MAS-49 and 275,000 MAS-49/56 rifles were produced between 1949 and 1978, after which the weapon was replaced in French service by the FAMAS bullpup assault rifle.

Specifications

Weight (empty)3940 g (139.0 oz)
Weight (loaded)4280 g (151.0 oz)
Overall Length1100 mm (43.31")
Barrel Length580 mm (22.83")
Action TypeGas Operated Direct Impingement
Firing MechanismHammer Fired
Trigger TypeSingle Stage
Magazine Capacity10 rounds
Magazine TypeDetachable Box
Muzzle Velocity817 m/s (2680 fps)
Muzzle Energy3005 J (2216 ft·lbf)
Effective Range400 m (437 yd)
Maximum Range3200 m (3500 yd)
Barrel RiflingRight Hand
Rifling Twist270 mm (10.63")
Number of Grooves4
Frame MaterialSteel
Barrel MaterialSteel
Stock MaterialWood
FinishBlued

Calibers

Features

Variants

Service history

Operators

Conflicts

Production

Estimated total produced: 355,000 · Production years: 1949-1978

Approximately 80,000 original MAS-49 rifles (1951-1956) plus approximately 275,000 MAS-49/56 rifles (1957-1978), produced exclusively at the Manufacture d'Armes de Saint-Etienne arsenal. Production figures vary slightly between sources.

Origin

Country of origin: France

Designer: Manufacture d'armes de Saint-Etienne

Discontinued: 1978

Notes

The MAS-49 is historically significant as one of the earliest production implementations of direct-impingement gas operation, a system that Eugene Stoner would later adopt and refine in the AR-10 and AR-15 designs. The French system vents gas through a tube above the barrel to strike the bolt carrier face directly, eliminating the operating rod found on contemporary self-loading rifles like the M1 Garand and SKS. After France adopted the FAMAS, surplus MAS-49/56 rifles were sold on the civilian market; many were rechambered in 7.62x51mm NATO by American importers during the 1990s to use readily available ammunition, though these conversions are generally considered inferior to the original 7.5x54mm specification. The rifle has no selector switch and fires only semi-automatically. The integral grenade launcher on the MAS-49/56 allowed infantry to fire the full range of French and later NATO-standard rifle grenades without a separate launcher attachment.

Background

The MAS-49 is the quiet ancestor of every AR-15 and M16 in the world. Its direct-impingement gas system -- propellant gas vented straight down a tube onto the bolt carrier with no piston in between -- predated Eugene Stoner's AR-10 by nearly a decade and is credited as the technical inspiration for the system he made famous. Ironically, the rifle's greatest battlefield reputation came from being turned against its makers: thousands of MAS-49s captured by the Viet Minh at Dien Bien Phu and by the FLN in Algeria ended up in guerrilla hands during France's bloody unwinding of empire.