Ruger Mark III 22/45 Hunter RP .22 LR, Stainless, Fluted Bull Barrel, Fiber-Optic Front, 10+1
This Ruger Mark III 22/45 Hunter RP stands out for its stainless steel upper with a fluted bull barrel and target crown, paired with the 22/45 polymer frame that mimics a 1911-style grip angle and uses replaceable panels. It features a red fiber-optic front sight, a fully adjustable rear sight, and a receiver drilled and tapped for optics with fill screws installed. Made in the United States in 2010, this example is in excellent condition with a bright, clean bore.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This pistol appears very well cared for and maintained.
What's Included
- Ruger factory hard plastic case with catalog label KP678HMK3RP (Model 10147)
- Ruger Mark III instruction manual
- Replacement fiber-optic rods for the front sight (in vial)
- Ruger Mark-series .22 LR steel magazine
The Hunter configuration combines a stainless steel receiver and a fluted bull barrel with a target crown for stability and durability. The stainless finish pairs with a black polymer 22/45 frame, delivering a distinctive two-tone look and practical balance.
The RP variant uses replaceable grip panels, and this example wears checkered wood panels with Ruger medallions. The 22/45 frame maintains a 1911-style grip angle, offering a familiar feel while keeping weight low.
Sighting is straightforward and precise with a red fiber-optic front sight and a fully adjustable rear sight. The receiver is drilled and tapped for optics, and fill screws are present from the factory.
Operation is simple blowback, semi-automatic, with a 10+1 capacity. Safety features include a loaded chamber indicator and a magazine disconnect. The bore has 6 grooves with a right-hand 1:16 twist.
Factory identifiers are present, including catalog KP678HMK3RP and Model 10147. This U.S.-made Mark III 22/45 Hunter RP was manufactured in 2010.



