The Ruger No. 3 is a single-shot rifle produced by

Sturm, Ruger & Co Sturm, Ruger & Company, Inc., better known by the shortened name Ruger, is an American firearm manufacturing company based in Southport, Connecticut, with production facilities also in Newport, New Hampshire; Mayodan, North Carolina; and Presco ...

from 1973 to 1986. It is based on the No. 1, with some modifications made to reduce costs, such as a simpler one-piece breech lever. It also was shipped with an uncheckered stock and a plastic buttplate. It has been described as "superbly accurate". Approximately 1400 No. 3 actions were installed into FGR-17 Viper antitank rocket launcher tubes and used for

sub-caliber training Sub-caliber training is used to save wear and expense when training with a larger gun by use of smaller weapons (sometimes, but not always, with very similar ballistic characteristics). The smaller weapons could be inserted into the larger weapo ...

. The No. 3 was chambered for .22 Hornet,

.223 Remington The .223 Remington (designated as the 223 Remington by the SAAMI and 223 Rem by the CIP) is a rimless, bottlenecked rifle cartridge. It was developed in 1957 by Remington Arms and Fairchild Industries for the U.S. Continental Army Command ...

.30-40 Krag The .30-40 Krag (also known as .30 U.S. and .30 Army) was a cartridge developed in the early 1890s to provide the U.S. armed forces with a smokeless powder cartridge suited for use with modern small-bore repeating rifles to be selected in the 1 ...

.375 Winchester The .375 Winchester is a modernized version of the .38-55 Winchester, a black powder cartridge from 1884. It was introduced in 1978 along with the Winchester Model 94 “Big Bore” lever action rifle, which was in production from 1978 until ...

, .44 Magnum, and .45-70.

References

External links

Sturm, Ruger & Co. official site

Instruction manual
Falling-block rifles Ruger rifles {{Rifle-stub