M1 Carbine

Origins

The Army's 1938 request for a "light rifle" for troops who could not carry a full-size one went nowhere until the fall of France concentrated minds, and in 1940 Ordnance issued a formal specification: under five pounds, semi-automatic, effective to 300 yards. Winchester had already developed the cartridge, a rimless .30-caliber round derived from its .32 Self-Loading of 1905, but arrived late to the rifle trials with a design that combined Jonathan "Ed" Browning's last work with a short-stroke gas piston patented by David Marshall Williams, who had begun designing firearms in a North Carolina prison. The Winchester carbine outshot every rival and was adopted on 22 October 1941, six weeks before Pearl Harbor.

Design & Construction

The M1 Carbine is not a shortened M1 Garand but a distinct weapon that shares only the rotating-bolt principle. Williams's short-stroke piston, a stubby plunger that taps the operating slide rather than traveling with it, is the mechanism later borrowed for the M14 Rifle and countless others. The 18-inch barrel, walnut stock and 15-round magazine bring it in at 5.2 pounds and under three feet; the .30 Carbine cartridge fires a 110-grain bullet at about 1,990 feet per second, far below the Garand's .30-06 but far above any pistol. Ten prime contractors built it — Inland (General Motors), Winchester, Underwood (typewriters), Rock-Ola (jukeboxes), IBM, Saginaw, Quality Hardware, National Postal Meter, Standard Products and Irwin-Pedersen — a roll-call of American industry that gives the carbine much of its collector appeal. The M1A1 with a folding wire stock went to paratroopers; the M2 of 1944 added selective fire and a 30-round magazine; the M3 mounted an infrared night sight.

Combat Use

Issued to the 101st Airborne and the other airborne divisions, to US Marine Corps units across the Pacific, and to officers, NCOs, radio operators and weapons crews everywhere, the carbine was liked for its lightness and disliked for its stopping power, which was adequate in the close ranges of Normandy hedgerows and Pacific jungle and inadequate against a padded Chinese greatcoat at long range in Korean War. Its reliability in extreme cold was also questioned there. It nevertheless remained in American service through the 1950s, armed South Korean, South Vietnamese and other allied forces in enormous numbers in Vietnam War, and equipped police forces for decades.

Legacy

Six million carbines make it more numerous than any other American military rifle, and the postwar release of hundreds of thousands to civilians through the Director of Civilian Marksmanship created one of the great American collecting fields, where the maker's name on the receiver, the type of rear sight and barrel band and the presence of original parts determine value. Commercial reproductions have been made since the 1960s, and the .30 Carbine cartridge remains in production eighty years on.