Ruger Mark IV 22/45 Features
The Ruger Mark IV 22/45 features a simple, one-button takedown for quick and easy field-stripping and proper chamber-to-muzzle cleaning. Pressing a button in the back of the frame allows the barrel-receiver assembly to tilt up and off the grip frame without the use of tools. Comfortable, precision-molded polymer grip frame with a serrated frontstrap and checkered backstrap. Features a lightweight, ventilated, aerospace-grade aluminum receiver and a tensioned stainless steel barrel.
Threaded barrel Ruger models feature a 1/2″-28 thread pattern for popular muzzle accessories (thread protector included). Cold hammer-forged barrel results in ultra-precise rifling that provides exceptional accuracy and longevity. Ergonomic bolt stop. Checkered, 1911-style grip panels for a great appearance and comfortable, non-slip hold. Internal cylindrical bolt construction ensures permanent sight-to-barrel alignment and higher accuracy potential than conventional moving-slide designs.
The Mark IV 22/45 contoured ejection port and easy-to-grasp bolt ears allow for durable and reliable operation round after round. Accurate sighting system features 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. Features a conveniently located push-button magazine release on the left side of the frame.
Magazine drops free on release for convenient reloading. Magazine disconnect prevents discharge when the magazine has been removed. Threaded barrel models are compatible with the Silent-SR sound suppressor Also includes: two, 10-round 22LR magazines. Color and shade of anodized component may vary from photo.
Ruger Mark IV 22/45 Specifications
- Caliber: 22 LR
- Capacity: 10+1
- Receiver Material: Aluminum
- Front Sight: Fixed
- Barrel Length: 4.40″
- Grip Frame: Polymer
- Grips: Checkered 1911-Style
- Finish: Black Anodized
- Width: 1.22″
- Rear Sight: Adjustable
- Barrel Style: Threaded
- Thread Pattern: 1/2″-28
- Weight: 25 oz.
- Overall Length: 8.40″
- Height: 5.50″
- Grooves: 6
- Twist: 1:16″ RH
| Barrel Length | 4.4 |
|---|---|
| Caliber | .22 LR |
| Capacity | 10 |
| Condition | New in Box |
| Finish Per Color | Black / Red |
| Manufacturer | Ruger |
| Manufacturer Part Number | 43942 |
| Model | Mark IV 22/45 |
| Type | Semi Auto Handguns |
| UPC | 736676439423 |
Frequently Asked Questions About This Product
Why buy Ruger Mark IV 22/45 USMC Red .22 LR 4.4" Barrel 10-Rounds from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy Ruger Mark IV 22/45 USMC Red .22 LR 4.4" Barrel 10-Rounds?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is Ruger Mark IV 22/45 USMC Red .22 LR 4.4" Barrel 10-Rounds available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: HANDGUNS, Semi Auto Handguns.
What tags or features does this product have?
Key features and tags for this product include: HANDGUNS, Semi Auto Handguns.
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
FFL Transfer & Firearms Laws for Ruger Mark IV 22/45 USMC Red .22 LR 4.4" Barrel 10-Rounds
All firearms, including the Ruger Mark IV 22/45 USMC Red .22 LR 4.4" Barrel 10-Rounds, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the Ruger Mark IV 22/45 USMC Red .22 LR 4.4" Barrel 10-Rounds is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.

