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Ruger's Single-Six .17 HMR Single Action Revolver
Low noise, no felt recoil and a lot going on at the muzzle end
©RGI Media, Inc - Published with permission

If there was ever a single action six shooter that would have been appropriate for use in the movie "Cowboys and Aliens", it would have been this Ruger Single-Six. A classic single action revolver in 17 Hornady Magnum Rimfire.

Ruger Single-Six


Sturm, Ruger & Company, Inc.

Model/Cat #

0661/ NR-6-17


Single Action Revolver


.17 HMR



Barrel Length


Twist Rate



35 oz.

Overall Length


Overall Height 5.12"


Hard Rubber


Steel - Aluminum Grip Frame


Micro Adjustable W/E

Sight Radius 7.75"

Trigger Pull

4 lbs. 9 oz. Average


Transfer Bar




Ruger's Single-Six was originally introduced in 1953 as a "three screw" model. In 1973 the New Model Single Six went into production, followed by a succession of at least eight refined revisions to that version. Nothing underscores the quality and utility of this revolver more than production measured in millions and the fact it is still going strong after sixty years.


Ruger Single-Six revolvers have been produced in many forms: plain, embellished as special editions and fully engraved. In alloy and stainless steel, the Single Six has been chambered for the 22 Long Rifle and 22 Winchester Magnum and, sometimes, for both. There have also been versions in 32 H&R Magnum and 17 Hornady Magnum Rimfire. Ruger's suggested Single Six applications are plinking, small game hunting and SASS competition.


And what might one do with a 0.172" bullet six-gun?


The Single-Six .17 HMR has a longish 6.5" barrel, which makes a lot of sense when it is chambered for a small bottle neck cartridge with a 17 grain or 20 grain bullet, both thriving on velocity. While the revolver can't match the performance of the 24" test barrels used to set factory ammunition velocity standards, it certainly isn't a slouch.


Ammunition Bullet
24" Barrel
Single Six
CCI TNT Jacketed 17 2550 1933
Hornady Varmint Express 17 2550 2090
Hornady Varmint Express 20 2375 1858


Which means varmint and small game hunting doesn't have to be done at close up ranges typical to handguns or even at distances typical for the .22 Winchester Magnum version of the Single-Six.


Hornady Varmint Express 17 Grain







Velocity - fps






Trajectory - in.







Winchester Super X 40 Grain JHP







Velocity - fps






Trajectory - in.








And proper sights for the occasion



Fully adjustable rear, high ramped blade front, the adjustments are precise, positive in detent and they stay put under fire. For me, the front blade width probably makes these 50 yard sights. I might be temped to pick up a set of Williams Fire Sights from the Ruger store for a bit more range and contrast against a darker background. The long sight radius eases the task of sight alignment.


Trigger squeeze, hammer fall, no recoil to follow...



The result of low bullet mass and hefty barrel combine for virtually no recoil and muzzle blast that is relatively muffled. The Ruger Single Six makes it easy to concentrate on the sight picture and target without distractions.


Shot with support, the first 25 yard group, above left, measures approximately 1.5" with 20 grain Hornady ammo. The second group, right, measures approximately 0.8" and that was shot with 17 grain Hornady ammo. CCI 17 grain shot about the same. Is this the limits of the Single Six? Surely not the case, but for open sights and 75 feet in the distance, they are OK.


I didn't shoot a lot of rounds, perhaps three cylinders full to get a feel for the revolver, but there was zip for powder residue afterward. Operation was smooth, ejection was easy, and the gun stayed tight. If there was an issue it was bore and cylinder cleaning.



.172" is a small bore that requires a small jag and patches and some seriously tiny brushes. What can I say, my other small bore revolver is a 45 Colt. I ended up cleaning the back end of the cylinder with 22 Winchester Magnum brushes and patches and the front side with diminutive 17 HMR size gear. Not a Ruger Single Six issue, but rather a 17 HMR cartridge issue. That said, the shooting potential renders the cleaning inconvenience trivial. Great little revolver. Check out the Ruger site for further details.


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