Description
Sig Sauer P322 .22 LR 4″ Optic-Ready Pistol, 2x20rd
The Sig Sauer P322 .22 LR 4″ optic-ready pistol, 2x20rd is a compact, high-capacity rimfire handgun built for range training, plinking, and suppressor-ready shooting. It comes with a threaded barrel adapter, fiber optic sights, and two 20-round polymer magazines, all in a lightweight polymer frame that handles like a full-size duty pistol.
| Manufacturer | Sig Sauer (per manufacturer specs) |
|---|---|
| Model | P322 |
| Material | Polymer frame, stainless steel barrel |
| Compatibility | SHIELD/RMSc footprint optics |
| Finish | Black Nitron |
| Weight | 17 oz (unloaded, per Sig Sauer specs) |
| Condition | New |
Key Features
- Optic-Ready Slide: Removable rear sight plate fits SHIELD/RMSc micro red dots — no milling needed, so you can mount a dot in minutes.
- Threaded Barrel Adapter: Ships with a threaded barrel adapter for suppressor use, making it ready for quiet shooting right out of the box.
- Two 20-Round Magazines: High-capacity .22 LR magazines mean less reloading and more time on target at the range.
- Interchangeable Trigger Shoes: Comes with both flat and curved trigger shoes so you can dial in your preferred feel.
- Adjustable Sights: Fiber optic front and adjustable rear sights give you a crisp sight picture for precise aiming.
Who It’s For
This pistol is for the shooter who wants a reliable, affordable rimfire trainer that mirrors a full-size handgun. It’s perfect for dove hunters practicing off-hand shots, new shooters learning fundamentals, or anyone who enjoys economical plinking without sacrificing features.
Pros & Cons
- Pro: Lightweight 17-ounce frame with 20-round capacity — you get a lot of trigger time without fatigue.
- Pro: Threaded barrel adapter lets you run a suppressor for quiet backyard practice.
- Con: The polymer frame can feel a bit flexy under heavy use, but for plinking and training it’s more than adequate.
Comparison
| Feature | Sig Sauer P322 | Zev Technologies OZ9 | Geissele Automatics SD3G |
|---|---|---|---|
| Caliber | .22 LR | 9mm | .22 LR (conversion) |
| Capacity | 20 rounds | 17 rounds | 10 rounds |
| Optic Ready | Yes (SHIELD/RMSc) | Yes (RMR) | No |
| Weight | 17 oz | 24 oz | 12 oz |
| Price | $429.99 | $1,299.00 | $299.00 |
FAQ
What optics fit the Sig Sauer P322?
The removable rear sight plate is compatible with SHIELD/RMSc footprint micro red dots, including the Sig Sauer RomeoZero, Holosun 407K/507K, and similar models.
Can I use a suppressor with this pistol?
Yes, the P322 ships with a threaded barrel adapter that accepts standard .22 LR suppressors. Just thread it on and you’re ready for quiet shooting.
What is the magazine capacity?
It comes with two 20-round polymer magazines, giving you 40 rounds total right out of the box.
Is the trigger adjustable?
Yes, the pistol includes both a flat and a curved trigger shoe, so you can swap them to match your preference.
Trust & Delivery
- ✓ Nationwide delivery to all 50 states
- ✓ Ships within 1–2 business days
- ✓ 30-day return policy
- ✓ Secure checkout
Related categories: Semi Auto Handguns | Rimfire Pistols | Sig Sauer Pistols
Last updated: April 2026

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