The Ruger Mark IV 22/45 Tactical – Model 40149 is purpose-built for those who demand tactical versatility in a rimfire platform. Chambered in .22 LR, this pistol features a 4.4-inch threaded barrel (1/2×28), perfect for adding a suppressor or compensator. The thread protector is included, ensuring the muzzle stays protected when not in use.
This model sports both top and bottom Picatinny rails, offering multiple accessory mounting options for optics, lights, or lasers. The aluminum receiver is paired with a polymer grip frame styled after the 1911, offering a familiar angle and comfortable ergonomics.
Designed for accuracy and ease of maintenance, the Mark IV Tactical includes adjustable target sights, an ambidextrous manual safety, and the Mark IV’s signature one-button takedown system, allowing for fast, tool-free disassembly.
Key Features:
-
Part Number: 40149
-
Caliber: .22 LR
-
Capacity: 10+1 rounds
-
Barrel Length: 4.4 inches, threaded (1/2×28)
-
Thread Protector: Included
-
Sights: Adjustable target rear, fixed front
-
Receiver: Aluminum
-
Frame: Polymer (22/45-style grip angle)
-
Optic Mounting: Picatinny rail on top and bottom
-
Safety: Ambidextrous manual safety
-
Action: Blowback-operated semi-auto
-
Finish: Black anodized receiver / black grip frame
Manufacturer Specifications:
-
Overall Length: 8.5 inches
-
Weight: 33.3 oz
-
Twist Rate: 1:16” RH
-
Grooves: 6
-
Grip Panels: Replaceable 1911-style panels
-
Included Accessories: Two 10-round magazines
Frequently Asked Questions:
Q: Can I mount a red dot optic on this model?
A: Yes, the top Picatinny rail makes it optics-ready right out of the box.
Q: What kind of suppressor fits the threaded barrel?
A: Any suppressor or muzzle device with a 1/2×28 thread pattern will fit.
Q: Is this a good pistol for beginners?
A: Yes. The low recoil, adjustable sights, and easy takedown make it perfect for both new and experienced shooters.
Q: What makes the 22/45 Tactical different from other Mark IV models?
A: The 1911-style grip, threaded barrel, dual accessory rails, and suppressor-ready design set it apart.
Q: Is this a factory Ruger model?
A: Yes, this is a genuine OEM Ruger firearm, part number 40149.
Brought to you by Black Bayou Armory.
