The Mark IV features a simple, one-button takedown for quick and easy field-stripping. Features a lightweight, ventilated, aerospace-grade aluminum receiver and a tensioned stainless steel barrel; contoured ejection port; an adjustable rear sight and a factory-installed Picatinny rail for easy mounting of optics; ambidextrous manual safety can be converted to left-side only with included washer; conveniently located push-button magazine release on the left side of the frame; Includes two magazines.
| Brand | Ruger |
| Category | Rimfire Pistols |
| Series | 22/45 Lite |
| Model | Mark IV |
| Caliber | 22 LR |
| Barrel Length Range | 4″ to 4.99″ |
| Capacity | 10+1 |
| Action | SAO |
| Frame Finish | Black |
| OAL | 8.40″ |
| Frame Material | Polymer |
| Hand | Right Hand |
| Sight Style | Contrast |
| Slide Finish | Black Anodized |
| Slide Material | Aluminum |
| Slide Description | Ventilated Aluminum w / Picatinny Rail |
| Mount Type | Picatinny Rail |
| Barrel Material | Steel |
| Twist | 1:16″ |
| Grips | Checkered 1911-Style Panel |
| Sight Configuration | Fixed Front / Adj Rear |
| Includes | 2 Magazines |
| Safety | Ambidextrous |
| Thread Pattern | 1 / 2″x28 |
| Barrel Description | Steel Threaded |
| Barrel Length | 4.40″ |
| Max Capacity | 10 |
| Trigger | Gold Plated |
| Weight | 25 oz |