Ruger No. 1

Ruger No. 1
Ruger No. 1 rifle (with underlever down to open action)
TypeFalling block rifle
Place of originUnited States
Production history
DesignerBill Ruger
Designed1966
ManufacturerSturm, Ruger & Co., Inc.
Unit cost$1,299 (2012)
Produced1967–2013 (original production)
2014–present (limited production)
VariantsStandard, Varminter, Light Sporter, International, Tropical, Medium Sporter.
Specifications
Mass6–12 pounds (2.7–5.4 kg)
Length36.5–42.5 inches (93–108 cm)
Barrel length20–28 inches (51–71 cm)

CartridgeVarious (see article)
ActionFarquharson-style Hammerless falling block
Feed systemSingle shot
Sightsnone, or open sights

The Ruger No. 1 is a single-shot rifle with a Farquharson-style hammerless falling-block action, introduced and manufactured by Sturm, Ruger & Co. since 1967. An underlever lowers the breechblock 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."

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 of calibers.