The Grand Power K22S is a single/double-action .22 LR pistol with a full-size polymer frame and steel slide. The 5-inch barrel is threaded, so suppressors attach without an adapter. At 24.5 oz it's heavier than most .22 pistols, which is the full-size frame showing its weight. Capacity is 10 rounds. 
 

Key Specifications 

• Manufacturer: Grand Power 
• Model: K22S 
• Caliber: .22 LR 
• Barrel Length: 5 inches (Threaded) 
• Capacity: 10 rounds 
• Weight: 1.5 lbs (24.5 oz) 
• Frame Material: Polymer 
• Slide Material: Steel 
• Finish: Matte Black (General & Frame) 
• Action Type: Single/Double Action 
• Safety Features: Thumb safety 
   

Detailed Features 

The exposed hammer allows for both SA and DA operation. Fixed front sight and adjustable rear sight let shooters dial in for a specific distance without permanently modifying the gun. The textured polymer grip holds up in wet conditions. The thumb safety is the manual safety mechanism. 
 
The threaded 5-inch barrel is the standout feature for suppressor users. .22 LR is a common suppressor host caliber, and having the threading from the factory saves the cost and hassle of a threading job. 
 

Usage Scenarios 

• Suppressor Host: The threaded barrel makes this a ready platform for .22 LR suppressor use. 
• Target Shooting: The 5-inch barrel and adjustable sights support accurate slow-fire shooting. 
• Training: Low recoil and manageable weight suit fundamentals practice for new and experienced shooters.

The K22S gets positive marks for accuracy. Shooters report tight groups at typical range distances, and the adjustable rear sight helps them fine-tune it to their preferred ammo. Reliability with .22 LR is better than average for the category; owners report fewer jams than comparable .22 pistols, though some describe an initial break-in period.

The grip comfort and ergonomics draw consistent praise. The weight at 24.5 oz surprises some buyers who expected a lighter .22, but most adapt quickly.

Trigger opinion is split. Some owners find the SA pull clean and the DA pull acceptable; others want a lighter or shorter reset. This seems to depend on what the buyer is used to rather than a defect.

Aftermarket accessories are limited compared to more mainstream .22 platforms, which matters to buyers who want to customize sights or grips. At its price point, most owners consider the K22S good value for the accuracy and reliability it delivers.