The Ruger Mark IV Target Pro is a single-action semi-automatic pistol in .22 LR. The 10-inch bull barrel is cold hammer-forged stainless steel with a 1:16" twist rate. It holds 10+1 rounds and weighs 53.5 oz (3.3 lbs). Overall length is 14 inches. The finish is satin stainless. Sights are a fixed front with an adjustable rear. Two magazines are included. 
 

Key Specifications 

• Manufacturer: Ruger 
• Model: Mark IV Target 
• Caliber: .22 LR 
• Action Type: Single Action 
• Capacity: 10+1 rounds (includes 2 magazines) 
• Barrel Length: 10 inches 
• Overall Length: 14 inches 
• Weight: 3.3 lbs (53.5 oz) 
• Sights: Fixed Front / Adjustable Rear 
• Grip Material: Checkered synthetic with Ruger medallion 
• Safety Features: Ambidextrous Manual Safety 
   

Detailed Features 

1. 10-inch Bull Barrel: Cold hammer-forged stainless steel. The longer barrel reduces vibration during the firing cycle and extends the sight radius compared to the 5.5-inch model. 
    
2. 1:16" Twist Rate: Well-suited to standard .22 LR bullet weights for consistent stabilization. 
    
3. Push-button Takedown: Field-strips with a single button press, a significant improvement over earlier Mark-series designs. 
    
4. Adjustable Rear Sight: Windage and elevation adjustable for precise zeroing. 
    
5. Ambidextrous Manual Safety: Functions equally well for right- and left-handed shooters.

The Mark IV Target Pro with the 10-inch barrel gets strong feedback from precision shooters. The extended barrel reduces visible movement and muzzle disturbance between shots, which shows up in tighter groups during formal target sessions. Most owners report being impressed with how consistently it groups at distance.

Build quality is a recurring positive theme. The stainless finish holds up well and the satin surface looks appropriate for a target pistol. The push-button takedown is praised universally as a practical improvement over earlier Mark-series pistols.

At 53.5 oz it is heavier than the 5.5-inch model, and some users find it fatiguing during extended sessions or when using it unsupported. Grip fit for smaller hands draws occasional comment; some owners add aftermarket grips to improve fit.

Pricing is generally seen as fair for what the pistol delivers. The two included magazines are a practical addition. Overall feedback is clearly positive, with the accuracy and build quality driving most recommendations.