The National Arms Company was a

Brooklyn, New York Brooklyn () is a borough of New York City, coextensive with Kings County, in the U.S. state of New York. Kings County is the most populous county in the State of New York, and the second-most densely populated county in the United States, be ...

-based manufacturer of firearms that flourished for a decade in the mid-19th century, around the time of the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states th ...

. Among the weapons it manufactured were a

derringer A derringer is a small handgun that is neither a revolver nor a semi/ fully automatic pistol. It is not to be confused with mini-revolvers or pocket pistols, although some later derringers were manufactured with the pepperbox configuration. ...

that fired the

.41 Short The .41 Rimfire Cartridge was first introduced by the National Arms Company in 1863 and was also known as the .41 Short and the .41-100. In most designations like this, the second number refers to the black powder load, though in this case it m ...

(a round it introduced in 1863), and Daniel Moore and

David Williamson David Keith Williamson Officer of the Order of Australia, AO (born 24 February 1942) is an Australians, Australian dramatist and playwright. He has also written screenplays and teleplays. Early life David Williamson was born in Melbourne, Vi ...

's Pocket

Revolver A revolver (also called a wheel gun) is a repeating handgun that has at least one barrel and uses a revolving cylinder containing multiple chambers (each holding a single cartridge) for firing. Because most revolver models hold up to six roun ...

using the Caliber .32 Teat-fire cartridge (which it made under both the Moore and National Arms marques). The Moore Caliber .32 Teat-fire, which used a unique cartridge to get around the

Rollin White Rollin White (June 6, 1817 – March 22, 1892) was an American gunsmith who invented a single shot bored-through revolver cylinder that allowed paper cartridges to be loaded from the rear of a revolver's cylinder. Because the open breeches were ...

patent owned by Horace Smith and Daniel Wesson, proved very popular during the Civil War, with both soldiers and civilians. The "Teat-fire" cartridges did not have a rim at the back like conventional cartridges, but were rounded at the rear, with a small "teat" that would protrude through a tiny opening in the rear of the cylinder. The priming mixture was contained in the "teat" and when the hammer struck it, the cartridge would fire. Thus, it was akin to a rimfire cartridge, but instead of having priming all the way around the edge of the rim, it is centrally located in the teat. National Arms produced about 30,000 of the Caliber .32 Teat-fire revolvers from 1864 to 1870, when it was acquired by

Colt's Manufacturing Company Colt's Manufacturing Company, LLC (CMC, formerly Colt's Patent Firearms Manufacturing Company) is an American firearms manufacturer, founded in 1855 by Samuel Colt and is now a subsidiary of Czech holding company Colt CZ Group. It is the succ ...

. Colt continued to produce the .41 rimfire derringer after the acquisition as an effort to break into the metallic cartridge gun market.

References

{{Colt's Manufacturing Company New York (state) in the American Civil War Privately held companies based in New York (state) Companies based in New York City Colt's Manufacturing Company Derringers