Hi-Viz Adjustable Rear Iron Sight Ruger MK1-4 22/45
Hi-Viz
$62.69
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Hi-Viz
Hi-Viz Adjustable Rear Iron Sight Ruger MK1-4 22/45
Upgrade your Ruger's accuracy potential with the HiViz Adjustable Rear Sight for Mk I, II, III, IV, and 22/45 pistols — a precision-engineered, interchangeable LitePipe sight system that delivers fast target acquisition in any lighting condition.
- Fits Ruger Mk I, Mk II, Mk III, Mk IV, and 22/45 models seamlessly
- Includes green, red, and black LitePipes for versatile lighting conditions
- Fully adjustable rear sight for precise windage and elevation tuning
- Interchangeable LitePipe design swaps quickly without special tools
- Durable construction built to withstand regular rimfire range use
- Drop-in installation with no permanent modifications required
Who This Is For
This HiViz adjustable rear sight is ideal for competitive rimfire shooters, plinkers, and small-game hunters who want a meaningful accuracy and visibility upgrade on their Ruger Mk-series or 22/45 pistol. Whether you're chasing tighter groups at the range or need a brighter sight picture for low-light conditions, the interchangeable LitePipe system lets you tailor the sight to your shooting environment and personal preference.
Specifications
| Brand | HiViz |
|---|---|
| Model | MKAD211 |
| Type | Adjustable Rear Sight |
| Fit | Ruger Mk I, Mk II, Mk III, Mk IV, 22/45 |
| Caliber | .22 LR |
| Included LitePipes | Green, Red, Black |
| Adjustment | Windage & Elevation |
| Installation | Drop-In, No Permanent Modification |
| Position | Rear Only |
| Country of Origin | USA |
Frequently Asked Questions
Will this sight fit all versions of the Ruger Mk series and the 22/45?
Yes. The HiViz MKAD211 is designed to fit the Ruger Mk I, Mk II, Mk III, and Mk IV pistols as well as the 22/45 variants. It replaces the factory rear sight with a drop-in installation, making it one of the most versatile aftermarket sight upgrades available for the Ruger rimfire platform. Always verify your specific model's rear sight dovetail dimensions before installation.
How do I change the LitePipes, and which color should I choose?
Swapping LitePipes is quick and requires no special tools — simply use the included removal tool or a small punch to push out the existing pipe and press in your preferred color. Green LitePipes offer the brightest daytime visibility, red provides strong contrast in varied lighting, and black is ideal for precision target shooting where a traditional sight picture is preferred. Many shooters keep all three on hand to match conditions at the range.
Does this sight require any gunsmithing or permanent modification to install?
No gunsmithing is required. The HiViz adjustable rear sight is a drop-in replacement designed to install using standard tools in most cases. The sight fits into the existing rear sight channel on compatible Ruger Mk-series pistols without drilling, tapping, or any permanent alteration to the firearm. If you encounter a tight fit, a sight pusher tool is recommended for safe installation.
