The SIG Sauer P322 is a .22 LR rimfire pistol built for high-volume training and recreational shooting. It’s designed for shooters who want the ergonomics and manual of arms of a modern striker-fired pistol without the cost per round. We’ve stocked this model since spring 2025, and it’s become a consistent favorite for repeat customers who appreciate its capability and value.
Key Features
- Optics-ready slide with removable plate for easy red dot mounting.
- 20+1 and 25+1 round magazines included for extended range sessions.
- Adjustable rear sight for precise windage and elevation control.
- Lightweight polymer frame with an ergonomic, textured grip.
- Clean, consistent trigger pull optimized for rimfire reliability.
Specifications
| Caliber | .22 LR |
| Barrel Length | 4.0 in |
| Overall Length | 7.1 in |
| Height | 5.5 in |
| Sights | Adjustable rear, fiber optic front |
| Weight (measured) | 4.0 oz |
| Magazine Capacity | 20+1 / 25+1 (2 included) |
| Slide Finish | Stainless Steel |
Frequently Asked Questions
Is the P322 suppressor-ready?
Yes. The barrel is threaded 1/2″x28, and the slide is designed to function reliably with a suppressor attached.
What makes this a good training pistol?
The controls, grip angle, and manual of arms mirror larger centerfire SIG pistols, allowing for affordable, high-repetition practice. As our staff notes: “This is the model we personally use in our shop demo. Says enough.”
What ammunition does it run best with?
It’s designed for high-velocity 40-grain round nose .22 LR. We recommend starting with CCI Mini-Mags or similar for optimal reliability during the break-in period.
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