The Ruger Mark IV Standard is a .22 LR single-action semi-automatic pistol with a 6-inch barrel. Overall length is 10.25 inches and weight is 30.1 oz. The aluminum frame has a blued finish; the grips are checkered synthetic. An ambidextrous manual safety covers both hands. Capacity is 10+1 rounds. 
 

Key Specifications 

• Brand: Ruger 
• Model: Mark IV Standard 
• Caliber: .22 LR 
• Action Type: Single Action Only (SAO) 
• Capacity: 10+1 rounds 
• Barrel Length: 6 inches 
• Overall Length: 10.25 inches 
• Weight: 30.1 ounces (1.9 lbs) 
• Finish: Blued 
• Frame Material: Aluminum 
• Grip Material: Synthetic Checkered 
• Safety Type: Ambidextrous Manual 
   

Detailed Features 

• One-Button Takedown: The receiver disassembles without tools for cleaning, which is a notable improvement over earlier Mark series pistols. 
• Internal Cylindrical Bolt: The bolt design keeps the barrel and sights in consistent alignment, which contributes to shot-to-shot repeatability. 
• Magazine Disconnect: The pistol will not fire with the magazine removed. 
• Ergonomic Bolt Stop: The bolt stop geometry reduces effort during cycling. 
   

Target Audience 

Shooters developing fundamental handgun skills, .22 LR enthusiasts who want a target-oriented pistol, and those who prefer a longer sight radius for precision work at the range. 
 

Usage Scenarios 

The 6-inch barrel and 10.25-inch overall length suit deliberate range sessions where accuracy is the goal. The .22 LR chambering keeps ammunition cost low for high-volume practice.

The Ruger Mark IV Standard .22 LR draws consistent praise for accuracy and has earned a solid reputation as a training and recreational pistol.

Most owners report strong precision at the range across a range of distances. The lightweight frame and manageable grip earn positive comments from both new shooters and experienced ones. The one-button takedown, which was a weak point on earlier Mark series pistols, gets frequent praise as a genuine quality-of-life improvement. Reliability with common .22 LR ammunition is generally described as good.

The main criticism that comes up is weight during extended sessions; at 30.1 oz it sits on the heavier end for a .22 LR pistol. Some shooters also have preferences about the trigger feel that differ from the factory setting, though most find it acceptable for the intended use.

For target shooting and skill-building, the Mark IV Standard has a well-earned following. It's a pistol that rewards consistent technique.