Description
Ruger 40149 Mark IV 22/45 Tactical .22 LR Pistol
The Ruger 40149 Mark IV 22/45 Tactical .22 LR Pistol is built for shooters who want a reliable rimfire platform with modern tactical features. Chambered in .22 LR, this semi-automatic pistol features a 4.40-inch threaded steel barrel, a 10+1 capacity, and Ruger’s renowned Mark IV one-button takedown system for simplified maintenance. Equipped with top and bottom Picatinny rails and checkered 1911-style grip panels, it is an excellent option for target shooting, training, recreational shooting, and suppressor-ready applications.
Key Specifications
- Manufacturer: Ruger
- Model: Mark IV 22/45 Tactical
- SKU: 40149
- Product Type: Semi-Auto Pistol
- Caliber: .22 LR
- Capacity: 10+1 Rounds
- Barrel Length: 4.40 Inches
- Barrel: Threaded Steel
- Frame Finish: Blued
- Grip: Black Checkered 1911-Style Grip Panels
- Rails: Top and Bottom Picatinny Rails
Frequently Asked Questions
What makes the Ruger Mark IV 22/45 Tactical different from other Mark IV models?
This Tactical model includes a factory-threaded barrel, integrated top and bottom Picatinny rails, and 1911-style grip panels for enhanced customization.
Is the threaded barrel compatible with muzzle accessories?
Yes. The factory-threaded barrel is designed to accept compatible threaded muzzle devices and suppressors where legally permitted.
What is the benefit of the Picatinny rails?
The top and bottom Picatinny rails allow users to mount compatible optics, lights, lasers, and other shooting accessories.
Why is the Mark IV popular for training?
Its low-recoil .22 LR chambering, reliable operation, and simple one-button takedown system make it an excellent platform for training, target shooting, and recreational use.
Where can I buy the Ruger 40149 Mark IV 22/45 Tactical .22 LR Pistol?
Shop at Golden Brothers Co for competitive pricing, fast shipping, and a wide selection of firearms and shooting accessories.





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