Description
The M&P 22X is Smith & Wesson's most capable rimfire pistol to date, and it shows. Built on a full-size polymer frame with an anodized aluminum slide, it has the weight, balance, and controls of a serious handgun without the cost of feeding a centerfire caliber. The grip texture is the same familiar M&P pattern, the slide stop and safety are fully ambidextrous, and the mag release is reversible. For anyone already in the M&P ecosystem, the manual of arms here will feel right at home.
The slide comes factory-cut for the RMSc/Shield footprint, which also fits the Holosun K-series, making it compatible with a wide range of popular micro red dots. The cover plate removes easily when you're ready to mount an optic. Even without one, the Hi-Viz LiteWave H3 fiber optic front sight paired with a blacked-out serrated rear notch gives you a clean, fast sight picture. A few extra light pipe inserts in different colors are included so you can dial in your preference.
The 4.1-inch stainless steel barrel wears an Armornite finish for corrosion resistance and comes pre-equipped with a 1/2×28 thread adapter for suppressor use. A wrench to swap the adapter is included in the box, which is a nice touch. The Picatinny rail under the barrel adds another layer of versatility for lights or lasers. The trigger is single-action only with an internal hammer, and reviewers consistently call out its crisp break and clean reset as genuine standouts for a pistol in this category.
This is the 10-round compliant configuration (MPN 14313), which ships with two 10-round magazines. The pistol itself is identical to the standard 22X in every other way, from the full-size frame to the optic-ready slide and suppressor-ready barrel. At just over 16 ounces empty, it carries light and handles easily for extended range sessions. Whether you're building fundamentals, training on red dots without breaking the bank on ammo, or just want a well-made .22 to take to the range, the M&P 22X is a genuinely impressive package.
Key Specifications
- Manufacturer Part Number: 14313
- UPC: 022188904253
- Caliber: .22 LR
- Action: Semi-Auto, Internal Hammer Fired (Single Action)
- Barrel Length: 4.1 inches
- Barrel Material: Stainless Steel with Armornite Finish
- Barrel Twist: 1:15"
- Thread Pitch: 1/2×28 (adapter included)
- Overall Length: 7.25 inches
- Height: 5.38 inches
- Width: 1.13 inches
- Weight (Unloaded): 16.32 oz
- Capacity: 10+1
- Frame Material: Polymer
- Slide Material: Anodized Aluminum
- Sights: Hi-Viz LiteWave H3 Fiber Optic Front, Adjustable Black Serrated Rear
- Optic Ready: Yes – RMSc / Holosun K-Series Footprint
- Safety: Ambidextrous Thumb Safety
- Rail: Picatinny
- Color: Black
- Magazines Included: 2 x 10-Round
What’s Included
- Smith & Wesson M&P 22X Pistol
- 2 x 10-Round Magazines
- 1/2×28 Threaded Barrel Adapter
- Adapter Installation Wrench
- Hi-Viz Fiber Optic Light Pipe Set (multiple colors)
- Optic Cover Plate (installed)
- Owner's Manual
- Safety Lock
Frequently Asked Questions
What optic footprint does the M&P 22X use?
The M&P 22X slide is cut for the RMSc footprint, which also fits the Holosun K-series (407K, 507K, EPS Carry, etc.) and optics like the Vortex Defender CCW. Mounting screws are 6-32, so if you're running an older Holosun K-series optic, you may need to pick up the correct screws separately since they may not be included with the optic. Third-party adapter plates are also available if you want to run a larger-format red dot.
Is this the same pistol as the standard M&P 22X, just with smaller magazines?
Yes, MPN 14313 is the 10-round compliant version of the M&P 22X. The pistol itself is identical in every way, including the full-size frame, optic-ready slide, internal hammer-fired action, Hi-Viz sights, and suppressor-ready barrel. Only the included magazines differ from the standard model, which ships with 20-round magazines.
Does the M&P 22X come with a threaded barrel?
The barrel on the M&P 22X is not threaded from the factory, but a 1/2×28 thread adapter and installation wrench are included in the box. This gives you suppressor compatibility right out of the gate without any additional purchases. The adapter threads onto the muzzle and works with standard 1/2×28 rimfire suppressors.
What kind of trigger does the M&P 22X have?
The 22X runs a single-action-only internal hammer-fired trigger with a flat face and a clean break that breaks at around 3.5 pounds. It's not striker-fired like the centerfire M&P lineup, which actually works in its favor for a range and training pistol. Reviewers consistently praise the trigger as one of the better factory triggers available in this category.
Is the M&P 22X a good pistol for new shooters?
It's a great option for newer shooters. The full-size frame is easier to control than a compact, the recoil is minimal with .22 LR, and the green fiber optic front sight makes it easy to find a sight picture quickly. The ambidextrous controls and slim grip profile keep it comfortable across a wide range of hand sizes, and the affordable cost of .22 LR ammo means more time behind the gun without the budget pressure of a centerfire pistol.
Does the M&P 22X share magazines with the S&W FPC 22LR carbine?
Yes, the M&P 22X magazines are compatible with the Smith & Wesson FPC 22LR folding pistol caliber carbine. S&W designed the two firearms to share magazines, which is a real convenience if you own or are considering both. Factory 20-round magazines for the standard 22X are also widely available as upgrades if larger capacity magazines are permitted in your area.




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