Ruger Mark IV Tactical 22LR Rimfire Pistol with Threaded Barrel


What’s in the Box

  • Ruger Mark IV Tactical 22LR
  • (2) Magazines
  • Cable Lock
  • Owner’s Manual

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The Mark IV Tactical features a 4.40″ barrel with a 1/2″-28 thread pattern – perfect for the addition of the Silent-SR®. The pistol also is equipped with fully adjustable sights and factory-installed upper and lower Picatinny rails to allow for mounting of lights, lasers and other tactical accessories.

The Mark IV Tactical also features a one-piece, precision CNC-machined grip frame, a simple, one-button takedown for quick and easy field-stripping, ambidextrous manual safety and a redesigned bolt stop for more ergonomic operation. The magazines drop free on release for faster reloads and a redesigned magazine disconnect prevents discharge when the magazine has been removed.

Firearm Features

  • Simple, one-button takedown for quick and easy field-stripping and proper chamber to muzzle cleaning.
  • A recessed button in the back of the frame allows the upper receiver to tilt up and off of the grip frame without the use of tools.
  • Ergonomic bolt stop.
  • Internal cylindrical bolt construction ensures permanent sight to barrel alignment and higher accuracy potential than conventional moving slide designs.
  • Contoured ejection port and easy-to-grasp bolt ears allow for durable and reliable operation round after round.
  • Accurate sighting system features adjustable rear sight and drilled and tapped receiver for Weaver- or Picatinny-style rail for easy mounting of optics.
  • Ambidextrous manual safety positively locks the sear in the “SAFE” position when applied. 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 faster reloading.
  • Magazine disconnect prevents discharge when the magazine has been removed.
  • Also includes: two, 10-round magazines.
  • One-piece, precision CNC-machined grip frame.
  • Smoothly contoured, comfortable grip features natural pointing grip angle with replaceable, checkered grip panels for a non-slip hold.
  • Threaded barrel and top and bottom picatinny rails for attaching tactical accessories.

Firearm Specifications

  • Model Number: 40150
  • Caliber: 22LR
  • Capacity: 10
  • Material: Alloy Steel
  • Front Sight: Fixed
  • Barrel Length: 4.40″
  • Grip Frame: Aluminum
  • Grips: Checkered Synthetic
  • Finish: Black Oxide
  • Width: 1.20″
  • Rear Sight: Adjustable
  • Barrel Style: Threaded
  • Weight: 34.6 oz.
  • Overall Length: 8.50″
  • Height: 5.50″
  • Grooves: 6
  • Twist: 1:16″ RH
  • CA Approved: No
  • MA Approved & Certified: No

Ruger Mark IV Tactical: Classic Meets Modern

In a nutshell, the Ruger Mark IV Tactical is a heavy-barreled Mark IV with a threaded muzzle and accessory rails attached to it. The Mark IV has quite a few updates from the original Standard Model, but the heart of it is still there. The Mark IV Tactical is a .22 pistol with heft—something you’ll notice the instant you pick one up. It’s a pistol that feels like a real pistol—when so many contemporary .22 pistols feel uncharacteristically light for handguns of their size.

The Ruger Mark IV 22/45 Lite is a small and versatile .22LR pistol built to fill a variety of needs. If you’re looking for a rimfire pistol for Steel Challenge, a .22LR to mount a suppressor on, or just something to plink with at the range, you may be interested in picking one up.

The Mark IV line of Ruger pistols was introduced in 2016 and is the fourth-generation successor of the Ruger Standard. Within the Mark IV lineup, there are eight models available: Standard, Target, Hunter, Competition, Tactical, 22/45, 22/45 Lite, and 22/45 Tactical.

I’ve been shooting the Mark IV 22/45 Lite in Steel Challenge for a few years now. In that time, I’ve gained a solid understanding of the pros and cons of the gun. So, if you’re deciding whether to buy the Ruger Mark IV 22/45 Lite, you’re in the right place.

The pistol that put Ruger into business was inspired by the Japanese Nambu of World War II, and today’s Mark IV Tactical has those same lines and function. It’s a recoil-operated semi-automatic that’s fed by a slender 10-round single-stack magazine. Rather than a slide and frame, the pistol features a tubular receiver that sits atop the frame. A reciprocating bolt assembly is inside the receiver and uses a captive recoil spring on the assembly itself. The bolt is operated by pulling two tabs that protrude from the back of the receiver to the rear.


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