Description
There's a lot to like about a .22 pistol that doesn't feel like an afterthought, and the Smith & Wesson M&P 22X gets it right. This is a full-size rimfire built with the same grip angle and texture you'd find on an M&P centerfire, so trigger time here carries over to your carry gun or duty pistol. The internal hammer-fired action cycles rimfire ammo reliably, and the flat-face trigger breaks clean and consistent, which makes it a genuinely good teaching tool for new folks and a fun plinker for everyone else.
Why the M&P 22X Earns Its Spot at the Range
Capacity is the headline feature. Twenty rounds per magazine means way more shooting and way less thumb-loading, and S&W includes two mags so one can rest while the other runs. The 4.1-inch stainless steel barrel wears an Armornite finish for corrosion resistance, and it's threaded 1/2×28 with the adapter and wrench included in the box. Screw on a rimfire can and this thing becomes one of the most pleasant range guns you'll ever shoot. At just 16.32 ounces, it's light enough for long sessions without wearing out your wrists.
Optics, Sights, and Controls on the 22X
The anodized aluminum slide comes factory-cut for popular micro red dots, so mounting an optic doesn't require a trip to the gunsmith. Prefer irons? The green Hi-Viz fiber optic front sight grabs light fast, and the adjustable rear lets you dial in your zero for your favorite ammo. Ambidextrous thumb safety and a reversible magazine release keep lefties in the game, and the Picatinny rail up front handles a light or laser if that's your style.
Whether you're introducing someone to handguns, keeping your skills sharp between centerfire outings, or just burning through a brick of .22 on a Saturday, the M&P 22X is built to do it without drama. It's the kind of pistol that ends up getting shot more than anything else in the safe.
Key Specifications
- Manufacturer: Smith & Wesson
- Model: M&P 22X
- MPN: 14312
- UPC: 022188901733
- Caliber: .22 LR
- Capacity: 20+1
- Action: Internal Hammer-Fired, Semi-Auto
- Barrel Length: 4.1" Stainless Steel, Armornite Finish
- Muzzle Thread: 1/2×28 (Adapter Included)
- Slide: Anodized Aluminum, Optic Cut, Serrated
- Frame: Polymer with Picatinny Rail
- Sights: Green Fiber Optic Front, Adjustable Rear
- Trigger: Flat-Face
- Safety: Ambidextrous Thumb Safety
- Overall Length: 7.25"
- Weight: 16.32 oz
What’s Included
- Smith & Wesson M&P 22X .22 LR semi-auto pistol
- Two 20-round magazines
- 1/2×28 thread adapter with wrench
- Owner's manual
Frequently Asked Questions
Is the M&P 22X suppressor ready out of the box?
Yes. The 4.1-inch stainless barrel is threaded 1/2×28, which is the standard pattern for rimfire suppressors, and Smith & Wesson includes the thread adapter and wrench in the box. Just remove the thread protector, install the adapter, and spin on your can.
Can I mount a red dot on the Smith & Wesson M&P 22X?
You can. The anodized aluminum slide comes optic-cut from the factory and accepts most popular micro red dots on the market. If you'd rather run irons, the green fiber optic front and adjustable rear sights work great on their own.
How many magazines come with the M&P 22X?
This model ships with two 20-round magazines, giving you a 20+1 total capacity. That's a lot of rounds for a rimfire pistol, and having a second mag means less downtime loading between strings.
What kind of .22 LR ammo runs best in the M&P 22X?
Like most rimfire semi-autos, it tends to cycle most reliably with high-velocity 40-grain ammunition such as CCI Mini-Mags or similar loads. Bulk ammo generally runs fine too, but it's worth testing a few brands to find what your particular pistol likes best. Subsonic loads pair nicely with a suppressor once the gun is broken in.





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