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Product Features & Specifications
Ruger 43945 Mark IV 22/45 Lite 22 LR 10+1 4.40″ Satin Stainless Steel/Threaded Barrel, Clear Anodized Aluminum Slide Black Black Polymer Ventilated Aluminum w/Picatinny Rail Receiver Checkered 1911-Style Panel Grip
The Mark IV is designed with a straightforward one-button takedown mechanism, allowing for rapid and effortless field-stripping. It boasts a lightweight, ventilated receiver made from aerospace-grade aluminum, along with a tensioned stainless steel barrel. The firearm features a contoured ejection port, an adjustable rear sight, and a factory-installed Picatinny rail for the convenient attachment of optics. Additionally, the ambidextrous manual safety can be modified to operate solely on the left side using the provided washer. A conveniently positioned push-button magazine release is located on the left side of the frame, and the package includes two magazines.
| Brand | Ruger |
| 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 Material | Aluminum |
| Mount Type | Picatinny Rail |
| Barrel Finish | Satin Stainless |
| Barrel Material | Steel |
| Twist | 1:16″ |
| Receiver Description | Picatinny Rail |
| Grips | Checkered 1911-Style Panel |
| Sight Configuration | Fixed Front / Adj Rear |
| Includes | 2 Magazines |
| Safety | Ambidextrous |
| Barrel Description | Steel Threaded |
| Barrel Length | 4.40″ |
| Max Capacity | 10 |
| Weight | 25 oz |
| Frame Description | Polymer Frame |
| SKU | 43945 |
| UPC | 736676439454 |
| MPN | 43945 |


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