The year 1964 brought us the Ford Mustang, Buffalo wings, the Moog synthesizer, and liquid crystal display (LCD) as well as a number of other iconic American inventions—not the least of which is the Ruger 10/22 .22 Long Rifle semiautomatic carbine.
It’s one of the finest rimfire rifles ever conceived, and millions have been sold.
Introduced as a rimfire companion to the then-new .44 Magnum Carbine, 50 years later the 10/22 remains one of the most popular .22 rifles. The detachable 10-shot rotary magazine is handy and works extremely well.Today, Ruger offers the 10/22 in a number of configurations, including Carbine, Compact, Sporter, Tactical, Takedown, and Target models.Ruger 10/22 Operation The 10/22 action is a blowback design, meaning the bolt is held closed by a closing spring and hammer pressure against the back of the bolt.With a chamber pressure of about 24,000 psi, the .22 Long Rifle isn’t what you’d call a very powerful round, so the light pressures required to keep the bolt closed in the 10/22’s action are entirely viable.
When the rifle is fired, the bolt travels rearward and hits the boltstop pin.
The rear face of the bolt is fitted with a groove and cam that causes the end of the bolt to dip slightly on impact with the stop pin.