Ruger Mark I Target .22 LR, 5.5-inch Bull Barrel, Blued, Adjustable Sights, 1979
This 1979 Ruger Mark I Target stands out with its 5.5-inch heavy bull barrel, adjustable target sights, and all-steel blued construction. It carries the Southport, Connecticut address rollmark and the instruction-manual warning on the barrel, reflecting the period-correct markings for late-1970s production. Purpose-built for precision .22 LR shooting, it features the classic one-piece tubular upper and takedown system that define the Mark I line.
Condition
Overall Condition: Fair condition, showing extensive signs of prior use and handling.
Bore Condition: Poor - Noticeable dirt, stains, significant corrosion or damage.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: The pistol shows major finish wear with areas of loss and visible rust.
What’s Included
- Ruger Mark I Target .22 LR pistol
- Two 10-round steel single-stack magazines (Ruger Mark I pattern) with heel-release base tabs
The Mark I Target series pairs Ruger’s proven .22 LR platform with a 5.5-inch heavy bull barrel to enhance stability and maintain sight picture through each shot. The full-size steel frame and receiver wear a blued finish, and the checkered black synthetic grips with Ruger eagle medallions provide a secure, period-correct hold.
Operation is simple blowback, semi-automatic, with right-side ejection driven by an internal cylindrical bolt and rear grasping ears for easy manipulation. Controls include a heel-release for the single-stack magazine and a manual thumb safety. Capacity is 10+1 with the included magazines.
Target-focused sights consist of a ramped square-post front and an adjustable rear unit with windage and elevation settings. This setup, combined with the bull barrel, supports consistent alignment and disciplined trigger work for rimfire practice or target use.
Manufactured in the United States in 1979, this example bears the Southport, Connecticut address rollmark and the period instruction-manual warning on the barrel. The one-piece tubular upper integrates with the backstrap mainspring housing and takedown latch, reflecting the classic Ruger Mark I design that helped define modern rimfire pistols.




