"M42" UD (United Defense) Submachine Gun

by
posted on April 24, 2014
qathompson1.jpg

Q. In a history of the Office of Strategic Services (OSS) I was reading, the author made reference to procurement of the M42 submachine guns, but did not explain any further. Can you tell me what an M42 submachine gun is? Was this gun ever issued to conventional American or Allied troops?

A. No M42 submachine guns were issued to the American Armed Forces during the war, but it was supplied to several allied countries during the war, and it was an item of issue to the OSS for use in various clandestine-related operations. The M42 was invented by Carl Swebilius, who was affiliated with the firm of High Standard. High Standard developed the prototype and produced a few early versions of the gun, but the Marlin Firearms Co. manufactured approximately 15,000 of these guns.

Most were chambered in 9 mm, but a few .45 ACP versions were made as well. The M42 could accept a conventional box magazine and also had the ability to be used with staggered side-by-side magazines. Government records indicate that 2,405 9 mm Marlin MD 42 submachine guns were airdropped in France from January to October of 1944 for use by OSS-related resistance operations.

The MD 42 was an unremarkable submachine gun with no outstanding virtues or glaring vices. Since it was not an issue item to U.S. armed forces, it is a little- known arm today and extremely few examples survive.

-Bruce N. Canfield

Originally published September, 2006

Latest

Harrington & Richardson Officer’s Model
Harrington & Richardson Officer’s Model

I Have This Old Gun: Harrington & Richardson Officer’s Model

In 1971, Harrington & Richardson chose to celebrate its 100th anniversary—along with the company’s heritage of building firearms for the U.S. military—by recreating “America’s first general-issue, breechloading rifle.”

The Armed Citizen® April 14, 2025

Read today's "The Armed Citizen" entry for real stories of law-abiding citizens, past and present, who used their firearms to save lives.

Old-School Tools Gaining Ground In Drone Defense

While the U.S. military is actively looking into drone defense solutions, companies such as Beretta Defense Solutions and Benelli Defense have improved the old fashioned shotgun to effectively stop inbound threats.

Preview: Nightstick NSR-9924XL

Lightweight yet durable, the NSR-9924XL is one of Nightstick’s most versatile duty-size handheld lights.

Smith & Wesson Adds .45-70 Gov't Chambering To Model 1854

Smith & Wesson initially launched its Model 1854 lever-action rifle in popular revolver chamberings. Now, the company is making a .45-70 Gov't-chambered model available.

Preview: Diamond D Leather Rifle Butt Cuff

Whether you’re seeking to improve your long gun’s onboard capacity, shooting comfort or aesthetic value—or any combination thereof—the Rifle Butt Cuff from Diamond D Custom Leather of Alaska can help.

Interests



Get the best of American Rifleman delivered to your inbox.