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Ruger MKIV 22/45 Ruger Mark IV 22/45 Lite Ruger Mark IV 22/45 Lite Ruger Mark IV 22/45 Lite, Controls 2. Ruger Mark IV 22/45 Lite, Grip Ruger Mark IV 22/45 Lite, Cocked
Ruger MKIV 22/45 Ruger Mark IV 22/45 Lite Ruger Mark IV 22/45 Lite Ruger Mark IV 22/45 Lite, Controls 2. Ruger Mark IV 22/45 Lite, Grip Ruger Mark IV 22/45 Lite, Cocked
  • Reliable
  • Great ergonomics
  • Customizable
  • Lower capacity
Editor’s Note:

The Ruger MKIV 22/45 is the latest iteration of an excellent target and plinking pistol design that has been around for decades. Exceptional ergonomics and great reliability are complimented by modern features such as a rail for mounting optics, a threaded barrel, and a simplified takedown method. These guns feature a standard 10+1 capacity of .22 LR, and all have cold hammer-forged barrels to ensure that the gun will last for years to come.

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Ruger Mark IV 22/45 Specs

Semi-Auto / Single Action
Barrel Length
4.4in / 5.5in
Magazine Capacity
Magazine Included
Magazine Type
22 LR
Black / Blue / Brown / Custom / Gold / Green / Grey
Front Sight
Rear Sight
Overall Length
8.4in / 8.5in / 9.8in
Stock Material

Ruger Mark IV 22/45 Features

10+1 capacity
Cold hammer-forged barrel
Push-button magazine release
1/2"-28 threaded models available
One-button takedown
Picatinny top rail

By The Numbers - Ruger Mark IV 22/45

I wouldn’t call the standard 22/45 a card splitting dynamo, but it does really well in what it is designed for.
I really racked up a tally with this pistol. Between me and my family, we ran approximately 1,500 rounds through the Ruger Mark IV 22/45.
There is a ridiculous amount to customization available to these guns.
The ergos on this pistol are wonderful. I like the slim profile of the grip, just like a 1911, and this also gives it less aesthetically in common with a Luger. The controls are all pretty easy to get to and even smaller hands can make use of them.

Hands-On Reviews & Related Post

Ruger Mark IV 22/45 Variations & Comparables

(1 rating)
Sig Sauer P322

Sig Sauer P322


“Sig has done an outstanding job with the P322. If you’ve got the cash and the inclination, you can’t go wrong in picking up this fun little shooters.” – Sean Curtis

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(3 ratings)
Taurus TX22

Taurus TX22


The Taurus TX22 is a great choice for target shooting, plinking, small game hunting, and sometimes even self-defense. Most .22 LR pistols hold 10 rounds due to concerns about rimlocking. However, Taurus seems to have figured this problem out and created an ergonomic, great-shooting rimfire pistol with a capacity of 16 rounds.  The TX22 features a polymer frame with an ergonomic grip design and match-grade threaded bull barrel.  Overall, the Taurus TX22 is a reliable and accurate 22LR pistol that’s ideal for a variety of uses. As with most Taurus products, it comes in at an attractive price point, and its features have put it ahead of many of the guns in its class.

Read More
Walther P22

Walther P22


The Walther P22 was an early entry into the world of semi-auto polymer rimfire pistols. Despite its age, its strong feature set, excellent ergonomics, and affordable price have made sure it has remained competitive in today’s market.

Read More

Ruger Mark IV 22/45 Upgrades & Accessories

final verdict

“The Ruger Mark IV is fun and easy to shoot. It’s a breeze to clean, it’s economical to feed, the reliability is flawless, and we loved that this little .22LR pistol fits any shooter, even the kids. The accuracy could be tuned up a little, but for a plinker, it’s hard to go wrong.” – Sean Curtis

Video Review of Ruger Mark IV 22/45

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