The ISSC M22 Gen 2 is a .22 LR semi-automatic pistol with a 4.1-inch barrel, 10-round capacity, and a polymer frame with an integrated Picatinny rail. The steel slide has a serrated finish, and the whole package comes in at 23.1 oz. Gen 2 refinements improved shot consistency and reliability over the original. 
 

Key Specifications 

• Model: M22 Gen 2 
• Caliber: .22 LR 
• Barrel Length: 4.1 inches 
• Capacity: 10 rounds 
• Weight: 23.1 oz (approx.) 
• Frame Material: Polymer with Picatinny rail 
• Slide Material: Steel with serrated finish 
• Grips: Black textured polymer 
• Finish Color: Black 
• Condition: New in Box 
   

Detailed Features 

 
The grip is shaped for comfortable handling across different shooting positions. The polymer frame keeps weight down; the steel slide adds durability and cycles reliably. 
 
Disassembly for cleaning is straightforward, which matters for a pistol that will see frequent use on range days. Gen 2 changes addressed reliability and accuracy consistency from the original model. 
 
The Picatinny rail allows for light or laser attachments without modifications. 
 

Usage 

 
.22 LR ammunition costs significantly less than centerfire options, which makes the M22 Gen 2 practical for extended practice sessions. It works well as a training platform for newer shooters building fundamentals, and experienced shooters use it for low-cost volume practice. It's also a reasonable option for casual target shooting and plinking.

The M22 Gen 2 draws a fairly split response, though the positives outweigh the negatives for its intended audience.

Lightweight design and low recoil make it accessible for beginners, and the affordable .22 LR ammunition keeps range sessions economical. Accuracy at short ranges is reported as decent, and most users find it easy to handle.

The reliability criticism is consistent enough to take seriously. Some owners experience occasional failures to feed, particularly with certain ammunition brands. Build quality also comes up as a concern; the M22 feels lighter and less substantial than higher-end pistols, and a few owners question long-term durability. The 10-round capacity is adequate for casual use but limits it for any sustained drill work.

Overall, it's a reasonable entry-level choice for .22 LR practice, functional and affordable, with real caveats around reliability and construction compared to more established options.