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Summary: The description, specs, pricing, photos and user ratings of the Ruger Mark IV 22/45 Lite pistols.
Manufacturer’s Description
The Ruger Mark IV 22/45 Lite is a semiauto pistol built on a polymer frame with a ventilated aluminum upper receiver, and chambered in .22 LR. Other features include:
- A recessed button in the frame’s rear allows the upper receiver to tilt up and off the grip frame without the use of tools;
- a threaded barrel;
- an ergonomic bolt stop;
- an internal cylindrical bolt to ensure permanent sight-to-barrel alignment;
The Mark IV 22/45 Lite with the black receiver.
- a contoured ejection port and easy-to-grasp bolt ears;
- an adjustable rear sight;
- a fixed post front sight;
- a picatinny rail on top;
- an ambidextrous manual safety that positively locks the sear in the “SAFE” position when applied (you can convert the safety to left-side-only with an included washer);
- a left-side push-button magazine release and a drop-free magazine;
- a magazine disconnect safety;
- a serrated frontstrap;
- a checkered backstrap;
- 1911-style checkered grip panels; and
- two 10-round magazines.
Ruger offers the MarK IV 22/45 Lite with either a bronze- or black-anodized upper receiver.
Note: This pistol is not California- or Massachusetts-approved.
On camera: Check out Hickok45’s video review of the similar Mark IV Hunter.
The Specs
| Caliber | Capacity | BBL | OAL | Height | Width | Weight |
| .22 LR | 10+1 | 4.4″ | 8.4″ | 5.5″ | 1.22″ | 25 oz. |
MSRP: $559
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The Mark IV 22/45 Lite with the bronze receiver.
I just purchased the Roger 22/45 lite for indoor shooting competition. I put a red-dot on and sighted it in. What a pleasant to shoot. Ran different ammo through it with no problem. Because of the weight, fatigue never came in to play. Good job by Roger.
Heads up everybody, Ruger has issued a safety recall for its Mark IV pistols: https://www.americanrifleman.org/articles/2017/6/8/ruger-mark-iv-safety-recall/