| Ruger No. 1 | |
|---|---|
 Ruger No. 1 rifle (with underlever down to open action) | |
| Type | Falling block rifle |
| Place of origin | United States |
| Production history | |
| Designer | Bill Ruger |
| Designed | 1966 |
| Manufacturer | Sturm, Ruger & Co., Inc. |
| Unit cost | $1,299 (2012)[1] |
| Produced | 1967–2013 (original production) 2014–present (limited production)[2][3] |
| Variants | Standard, Varminter, Light Sporter, International, Tropical, Medium Sporter. |
| Specifications | |
| Mass | 6–12 pounds (2.7–5.4 kg)[1] |
| Length | 36.5–42.5 inches (93–108 cm)[1] |
| Barrel length | 20–28 inches (51–71 cm)[1] |
| Cartridge | Various (see article) |
| Action | Farquharson-style Hammerlessfalling block |
| Feed system | Single shot |
| Sights | none, oropen sights |
TheRuger No. 1 is asingle-shotrifle with aFarquharson-stylehammerlessfalling-block action, introduced and manufactured bySturm, Ruger & Co. since 1967.[4] An underlever lowers thebreechblock to allow ammunition loading and also cocks the rifle. 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."[5]
A shotgun-style tang safety works on the hammer and sear. It is available with an Alexander Henry, Beavertail, or Mannlicher style forearm. The rifles came in several sub models: 1A, 1AB, 1B, 1H, 1S, 1V and RSI(K designation refers to Stainless with laminated stocks). No.1’s also came with barrels ranging from 20” to 28” and in a multitude ofcalibers.
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Over the years, the No. 1 has been chambered in many different cartridges, including:[6][7][8]
