The Ruger Mark IV Competition is a single-action .22 LR pistol with a 6.9-inch slab-side barrel, 10+1 capacity, satin stainless finish, checkered laminate grip with integrated thumb rest, and adjustable rear sights. It weighs 2.9 lbs (45.8 oz) and measures 11.1 inches overall. 
 
Key Specifications 

• Brand: Ruger 
• Model Name: Mark IV Competition 
• Caliber: .22 LR 
• Action Type: Single Action Only (SAO) 
• Capacity: 10+1 rounds 
• Barrel Length: 6.9 inches 
• Overall Length: 11.1 inches 
• Weight: 2.9 lbs (45.8 oz) 
• Sights: Fixed front; adjustable rear 
• Grip Material: Checkered laminate with thumb rest 
• Safety Features: Ambidextrous manual safety 
• Finish Color/Material: Satin stainless steel 
   
  Detailed Features 
   
  The slab-side barrel design enhances stability for tighter groups at the range. Cold hammer-forged steel construction delivers durable accuracy over a long service life. The checkered laminate grip has an integrated thumb rest that promotes a consistent, comfortable grip angle during extended sessions. Adjustable rear sights allow elevation and windage tuning for different distances or ammunition. The ambidextrous manual safety works for both right- and left-handed shooters. Mark IV models also benefit from the platform's single-button takedown for simplified cleaning. 
   
  Target Audience 
  Competitive target shooters who want a .22 LR pistol optimized for bullseye or precision formats. Also well-suited to recreational shooters who want to develop marksmanship skills at low ammunition cost. 
   
  Usage Scenarios 
  Built for competitive shooting environments where consistency matters. Also handles casual target practice and occasional small game hunting where the light weight aids extended carry.

The Ruger Mark IV Competition .22 LR in Satin Stainless draws positive reviews centered on accuracy and usability.

Precision is the most common positive theme. The pistol groups well and owners find it reliable with a wide range of .22 LR ammunition. The feeding mechanism runs smoothly compared to many other rimfire pistols, which is a practical advantage with .22 LR's occasional reliability quirks.

Ergonomics earn consistent praise. The grip with integrated thumb rest positions the hand naturally and the controls are well-placed. Disassembly is simpler than previous Mark series generations thanks to the single-button takedown, and owners appreciate the easier cleaning routine.

The weight at 2.9 lbs comes up in both positive and negative contexts. For competition where stability matters, the weight is an asset. For extended carry, some owners find it more than expected for a .22 pistol. Standard sights satisfy most shooters, though some opt for aftermarket upgrades to maximize precision at distance.

Overall sentiment is positive, with the Mark IV Competition positioned as a capable .22 target pistol at a price that most owners find reasonable for the build quality and performance.