The Ruger Mark IV is a well-regarded rimfire pistol chambered in .22 LR, built on a semi-automatic, single-action platform. The blued aluminum frame and 4.75-inch tapered barrel keep weight at 28.2 oz while still delivering the sight radius needed for tight groups at the range. 
 

Key Specifications 

• Brand: Ruger 
• Model: Mark IV 
• Caliber: .22 LR 
• Action: Single Action Only (SAO) 
• Capacity: 10+1 rounds 
• Barrel Length: 4.75 inches 
• Weight: 28.2 oz (1.76 lbs) 
• Finish: Blued Aluminum Frame 
   

Detailed Features 

The tapered barrel pairs with a fixed front sight and adjustable rear sight, giving shooters precise targeting across the range. Aluminum and steel construction keeps things light without sacrificing durability. The ambidextrous manual safety works equally well for left- and right-handed shooters. Checkered synthetic grips provide solid traction during extended sessions. 
 

Target Audience 

New shooters will appreciate the manageable recoil and straightforward single-action controls. More experienced shooters tend to reach for the Mark IV as a low-cost training tool or a dedicated small-game pistol. 
 

Usage Scenarios 

• Sport shooting: low recoil and good accuracy make for enjoyable range sessions. 
• Training: a natural first rimfire for anyone learning pistol fundamentals. 
• Personal protection: while not a primary defensive caliber, the reliable action means it functions when it needs to.

The Ruger Mark IV Precision SAO .22 LR is generally well-regarded among rimfire pistol owners. A few consistent themes come up across discussions:

Accuracy gets mentioned most often. Shooters report tight groupings at typical handgun distances, which makes the pistol a go-to for target work and plinking. The quality barrel is usually cited as the reason.

Ergonomics also draw positive comments. The grip feels natural in hand, and the balance suits extended range sessions without fatigue.

Ease of use, particularly the takedown process for cleaning, comes up frequently. The button-push field strip is noticeably faster than older Mark designs, which matters to owners who shoot a lot and clean accordingly.

Reliability with various .22 LR loads is another common point. Users report consistent function across standard velocity and high-velocity ammunition, which is not always a given with rimfire pistols.

Build quality comments are mostly positive. Owners feel the steel and aluminum construction holds up to regular use without wear-related issues appearing early.

Some owners enjoy discussing optics mounts and grip upgrades; the platform accommodates both without major modification.

On value, the consensus is that the Mark IV performs at a level above its price point relative to competing rimfire pistols.

The one recurring criticism: most discussions focus on .22 LR only, and some shooters would prefer a similar platform in a centerfire caliber.

The updated features preserve the reliable character of this fine pistol.