The Ruger Mark IV 75th Anniversary is a semi-automatic .22 LR pistol with a 6.88-inch tapered target barrel, blued finish, and aluminum frame. It weighs 32.8 oz (2.05 lbs.) and holds 10+1 rounds. Sights are a fixed undercut Patridge front and adjustable rear. Grips are fully checkered wood laminate. The ambidextrous safety works for both right- and left-handed shooters. This is a limited anniversary edition of the long-running Mark series. 
 

Key Specifications 

• Model: Ruger Mark IV 75th Anniversary 
• Caliber: .22 LR 
• Action: Semi-Automatic 
• Barrel Length: 6.88 inches 
• Capacity: 10+1 rounds 
• Weight: 32.8 oz 
• Finish: Blued 
• Frame Material: Aluminum 
   

Features 

The Mark IV's single-button takedown is the generation-defining improvement over earlier Mark series pistols - it strips for cleaning in seconds without tools. The 6.88-inch barrel gives a long sight radius which helps at the target range. Adjustable rear sight lets you zero the gun for your preferred ammunition. Checkered wood laminate grips look traditional and hold well. The ambidextrous safety is a practical addition for both-hand shooters. The 75th anniversary markings and finish treatment distinguish it from the standard lineup.

The Mark IV 75th Anniversary gets consistently positive feedback. Shooters appreciate the anniversary edition details - the finish quality and markings are called out as a cut above the standard production models. The Mark IV action gets general praise for accuracy and smooth operation, which carries over from the base model's reputation.

The single-button takedown is frequently mentioned as a major quality-of-life improvement over older Mark series guns. Disassembly and cleaning are fast and tool-free. The .22 LR caliber makes it accessible and inexpensive to shoot in volume.

Some users note the 10-round magazine capacity is limiting if you want extended range sessions without reloading, and a few find the grip dimensions less comfortable for larger hands. Aftermarket customization options are good given the Mark series' long history.

Overall it draws strong interest from collectors, target shooters, and .22 enthusiasts who want something a step above the standard catalog gun.