Ruger No. 1
Encyclopedia
The Ruger No. 1 is a single shot rifle
Rifle
A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves cut into the barrel walls. The raised areas of the rifling are called "lands," which make contact with the projectile , imparting spin around an axis corresponding to the...

, with Farquharson-style
Farquharson rifle
The Farquharson Rifle is a single shot hammerless falling block action rifle designed and patented by John Farquharson, of Daldhu, Scotland in 1872. George Gibbs, a gun maker in Bristol, became a co-owner of the Farquharson patent in 1875 and was the sole maker of Farquharson rifles until the...

 internal hammer falling block action
Falling block action
A falling-block action is a single-shot firearm action in which a solid metal breechblock slides vertically in grooves cut into the breech of the weapon and actuated by a lever....

, manufactured by Sturm, Ruger
Sturm, Ruger
Sturm, Ruger & Company, Incorporated is a Southport, Connecticut-based firearm manufacturing company, better known by the shortened name Ruger. Sturm, Ruger produces bolt-action, semi-automatic, full-automatic, and single-shot rifles, shotguns, semi-automatic pistols, and single- and double-action...

. It was introduced in 1967. An underlever lowers the block allowing loading and cocks the rifle. A falling block action is an inherently strong design, and the Ruger No. 1 was no exception. Lenard Brownell, commenting on his work at Ruger, said of the No. 1: "There was never any question about the strength of the action. I remember, in testing it, how much trouble I had trying to tear it up. In fact, I never did manage to blow one apart." This makes the Number 1 an excellent choice for fans of Wildcat cartridge
Wildcat cartridge
A wildcat cartridge, or wildcat, is a custom cartridge for which ammunition and firearms are not mass produced. These cartridges are often created in order to optimize a certain performance characteristic of an existing commercial cartridge.Developing and using wildcat cartridges does not...

s.

A shotgun-style tang safety works on the hammer and sear. Available with an Alexander-Henry, Beavertail, or Mannlicher style forearm in a multitude of caliber
Caliber
In guns including firearms, caliber or calibre is the approximate internal diameter of the barrel in relation to the diameter of the projectile used in it....

s.

Available cartridges

Over the years, the No. 1 has been chambered in several different cartridges, among them .204 Ruger
.204 Ruger
The .204 Ruger is a centerfire rifle cartridge developed by Hornady and Ruger. At the time of its introduction in 2004, the .204 Ruger was the highest velocity commercially produced ammunition, and the only cartridge produced commercially for bullets of .204 inch/5 mm caliber.-Characteristics:The...

, .22 Hornet
.22 Hornet
The .22 Hornet is a low-end vermin, small-game and predator centerfire rifle cartridge. It is considerably more powerful than the .22 WMR and the .17 HMR, achieving higher velocity with a bullet twice the weight. The Hornet also differs very significantly from these in that it is not a rimfire...

, .218 Bee
.218 Bee
The .218 Bee is a .22 caliber centerfire rifle cartridge designed for varmint hunting by Winchester in 1938. The cartridge was originally chambered in lever-action rifles, which may have ultimately led to its lack of popularity...

, .222 Remington
.222 Remington
The .222 Remington aka the Triple Deuce/Triple Two/Treble Two is a centerfire rifle cartridge introduced in 1950, and was the first commercial rimless .22 cartridge made in the United States...

, .223 Remington
.223 Remington
The .223 Remington is a sporting cartridge with almost the same external dimensions as the 5.56×45mm NATO military cartridge. The name is commonly pronounced either two-two-three or two-twenty-three. It is loaded with a diameter, jacketed bullet, with weights ranging from , though the most common...

, .22PPC, .22-250 Remington
.22-250 Remington
The .22-250 Remington is a very high-velocity , short action, .22 caliber rifle cartridge primarily used for varmint hunting and small game hunting, though it finds occasional use on deer. This cartridge is also sometimes known as the 22 Varminter or the 22 Wotkyns Original Swift...

, .220 Swift
.220 Swift
The .220 Swift is a semi-rimmed rifle cartridge developed by Winchester and introduced in 1935. It was the first factory loaded rifle cartridge with a muzzle velocity of over...

, 6mm PPC, 6 mm Remington
6 mm Remington
The 6mm Remington was introduced by Remington Arms Company in 1955 as the .244 Remington. It is based on necking down the .257 Roberts. Originally intended as a Varmint and predator cartridge, the .244 was never factory loaded with bullets over 90 grains. Rifles marked .244 Remington have a 1 in ...

, .243 Winchester
.243 Winchester
The .243 Winchester is a popular sporting rifle cartridge. Initially designed as a varmint round, it is now more frequently used on medium to large game such as whitetail deer, mule deer, pronghorn, wild hogs, and even black bear and caribou...

, .257 Roberts
.257 Roberts
The .257 Roberts a medium powered .25 caliber cartridge known affectionately as the Bob. It has been described as the best compromise between the low recoil and flat trajectory of smaller calibers such as the .22 and 6mm, and the strong energy but not the strong recoil of larger popular hunting...

, .25-06 Remington
.25-06 Remington
The .25-06 Remington had been a wildcat cartridge for half a century before being standardized by Remington in 1969. It is based on the .30-06 Springfield cartridge necked-down to .257 inch caliber with no other changes...

, .264 Winchester Magnum
.264 Winchester Magnum
The .264 Winchester Magnum is a belted, bottlenecked rifle cartridge. Apart from the .257 Weatherby Magnum, it is the smallest caliber factory cartridge which uses the standard length Holland & Holland belted magnum case...

, .270 Winchester
.270 Winchester
The .270 Winchester was developed by Winchester Repeating Arms Company in 1923 and unveiled in 1925 as a chambering for their bolt-action Model 54. The cartridge is based upon the .30-06 Springfield...

, .270 Weatherby, 6.5 Remington, 6.5x55mm, 7x57mm, 7mm-08, .280 Remington
.280 Remington
The .280 Remington, also known as the 7 mm Express Remington, was introduced in 1957 for the Remington model 740, 760, 721 and 725 rifles. The .280 is based on the .30-06 Springfield necked down to accept 7 mm bullets, with the neck moved forward .050in...

, 7 mm Remington Magnum
7 mm Remington Magnum
The 7mm Remington Magnum rifle cartridge was introduced as a commercially available round in 1962, along with the new Remington Model 700 bolt action rifle. It is a member of the belted magnum family that is directly derived from the venerable .375 H&H Magnum...

, 7 mm STW, .308 Winchester
.308 Winchester
The .308 Winchester is a rifle cartridge and is the commercial cartridge upon which the military 7.62x51mm NATO centerfire cartridge is based. The .308 Winchester was introduced in 1952, two years prior to the NATO adoption of the 7.62x51mm NATO T65...

, .30-30 Winchester
.30-30 Winchester
The .30-30 Winchester/.30 Winchester Center Fire/7.62×51mmR cartridge was first marketed in early 1895 for the Winchester Model 1894 lever-action rifle. The .30-30 , as it is most commonly known, was the USA's first small-bore, sporting rifle cartridge designed for smokeless powder. The .30-30 is...

, .30-40 Krag
.30-40 Krag
The .30-40 Krag 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 1892 small arm trials...

, .30-06 Springfield
.30-06 Springfield
The .30-06 Springfield cartridge or 7.62×63mm in metric notation, was introduced to the United States Army in 1906 and standardized, and was in use until the 1960s and early 1970s. It replaced the .30-03, 6 mm Lee Navy, and .30 US Army...

, .303 British
.303 British
.303 British, or 7.7x56mmR, is a .311 inch calibre rifle and machine gun cartridge first developed in Britain as a blackpowder round put into service in December 1888 for the Lee-Metford rifle, later adapted to use smokeless powders...

, .300 Winchester Magnum
.300 Winchester Magnum
The .300 Winchester Magnum is a popular, belted, bottlenecked magnum rifle cartridge that was introduced by Winchester Repeating Arms Company in 1963 as a member of the family of Winchester Magnum cartridges. The .300 Winchester Magnum is a magnum cartridge designed to fit in a standard length...

, .300 H&H Magnum
.300 H&H Magnum
The .300 H&H Magnum Cartridge was introduced by the British company Holland & Holland as the Super-Thirty in June, 1925. The case was belted like the .375 H&H Magnum, and is based on the same case, as also is the .244 H&H Magnum. The belt is for headspace as the cases' shoulders have a narrow...

, .300 Weatherby Magnum
.300 Weatherby Magnum
The .300 Weatherby Magnum is a .30 caliber rifle cartridge created by Roy Weatherby in 1944 and produced by Weatherby. It has become the most popular of all the Weatherby cartridges.-Background:...

, .338 Winchester Magnum
.338 Winchester Magnum
The .338 Winchester Magnum is a .33 caliber belted rimless bottlenecked cartridge introduced in 1958 by Winchester Repeating Arms Company|Winchester. It is based on the blown out, shortened .375 H&H Magnum. The .33 is the caliber at which medium bore cartridges are considered to begin...

, .357 Magnum
.357 Magnum
The .357 S&W Magnum , or simply .357 Magnum, is a revolver cartridge created by Elmer Keith, Phillip B. Sharpe, Colonel D. B. Wesson of firearms manufacturer Smith & Wesson, and Winchester. It is based upon Smith & Wesson's earlier .38 Special cartridge. The .357 Magnum cartridge was introduced in...

, .375 H&H Magnum
.375 H&H Magnum
The .375 Holland & Holland Magnum is a powerful rifle round and one of the best-known and most popular medium-bore cartridges in the world. The .375 H&H was only the second cartridge ever to feature a belt, now common among magnum rounds. A popular misconception is that the belt is for headspace,...

, .375 Ruger
.375 Ruger
The .375 Ruger is a rimless, standard-length rifle cartridge designed for the hunting of large dangerous game. It is designed to provide an increase in performance over the .375 H&H cartridge, yet to be chambered in a standard length action rifle...

, .38-55 Winchester
.38-55 Winchester
The .38-55 Winchester cartridge is named for its approximately .38 caliber bullet and was introduced in 1876 by Ballard which belonged to Marlin Firearms from 1875 on for various single-shot target rifles and in their 1893 lever action. It was later used by Winchester for its Model 1894...

, .404 Jeffrey, .405 Winchester
.405 Winchester
The .405 Winchester is a centerfire rifle cartridge introduced in 1904 for the Winchester 1895 lever-action rifle. It was the most powerful lever-action cartridge available until the .444 Marlin was introduced in 1964, and was highly regarded by U.S. President Theodore Roosevelt during his safari...

, .416 Remington Magnum
.416 Remington Magnum
The .416 Remington Magnum is a .416 caliber of a belted bottle-necked design. The cartridge was intended as a dangerous game hunting cartridge and released to the public in 1989. The cartridge uses the case of the 8 mm Remington Magnum as a parent cartridge. When the cartridge was released in...

, .416 Ruger
.416 Ruger
The .416 Ruger is .41 caliber , a beltless, rimless, bottlenecked cartridge designed as a joint venture by Hornady and Ruger in 2008. The cartridge is based on the .375 Ruger case which was necked up to accept a bullet...

, .416 Rigby
.416 Rigby
The .416 Rigby or 10.6x74mm was designed in 1911 by John Rigby & Company of London, England as a dangerous game cartridge and is the first one to use a bullet with a diameter of .416"...

, .45-70 Government, .458 Lott
.458 Lott
The .458 Lott is a .458 caliber belted hunting cartridge designed as a replacement for the less powerful .458 Winchester Magnum. It is based on the full length .375 H&H Magnum blown out and shortened to...

, 9.3 x 74R and .450/400 Nitro Express .

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