Ruger Standard Automatic Pistol RST-6 .22 LR, 6" Blued Barrel, 1974 Production, Three 10-Round Magazines
This Ruger Standard Automatic Pistol RST-6 pairs the company’s classic fixed-barrel blowback design with a 6-inch tapered barrel for a longer sight radius and steady balance. Manufactured in 1974, this late-production “12-prefix” Standard embodies the final evolution of Bill Ruger’s first commercial firearm before the Mark II era. Its A-100 grip-frame pattern accepts modern Mark II/III magazines, while a blued steel finish, smooth single-action trigger, and fixed Patridge sights round out a straightforward, reliable rimfire package.
Condition
Overall Condition: Good – shows some signs of prior use and handling.
Specific Condition Notes: Minor scratching, scuffing, and blemishing are visible on the exterior surfaces.
Bore Condition: Good – clean, well-maintained with minor wear marks.
Bore Rifling: Good – intact, well-defined lands and grooves.
What’s Included
- Three polished-steel Ruger Mark I/II pattern 10-round magazines
The 6-inch tapered barrel gives this RST-6 a comfortable front-to-back balance without the weight of a bull barrel, making target transitions smooth and predictable.
A heel-catch magazine release and manual thumb safety maintain the original control layout favored by many rimfire enthusiasts.
The right grip panel retains the factory checkered walnut with silver Ruger eagle medallion, while the left panel features a period aftermarket walnut thumb-rest with partial checkering—an authentic glimpse into 1970s competition customization.
Fixed Patridge front and drift-adjustable rear sights provide a crisp, uncomplicated sight picture, aided by the longer sight radius of the 6-inch tube.
The 12-prefix receiver marks this pistol as one of the final Standard Automatics, illustrating the incremental improvements that led to the legendary Mark-series line.