Description
The M&P22 Compact Threaded Barrel is S&W's suppressor-ready answer to affordable, high-quality rimfire training. It's scaled down to roughly 87.5% of the full-size M&P9, which puts it close to Shield territory in terms of size and feel. The grip angle, thumb safety placement, magazine release, and overall ergonomics are all faithful to the M&P family, so if you already shoot a centerfire M&P, picking this up will feel like second nature.
The barrel is threaded from the factory at 3/8×24, and the included thread adapter converts it to the standard 1/2×28 pitch so you can run most common suppressors or muzzle devices without buying aftermarket parts. The aluminum slide wears S&W's Armornite finish for corrosion resistance, and the carbon steel barrel is fixed to the polymer frame, which helps keep weight down to a trim 15.3 oz. A Picatinny-style rail up front gives you room to mount a light or laser if that's your thing.
Safety-wise, it covers the bases well. The ambidextrous manual thumb safety works equally well for right- or left-handed shooters, the magazine release is reversible, and a magazine safety prevents the gun from firing without a mag inserted. There's also a loaded chamber indicator on top of the slide, which is a handy touch. Field stripping is straightforward, and the captured recoil guide rod and spring make reassembly clean and simple.
This pistol is a genuinely practical range tool. The .22 LR cartridge keeps costs low for high-volume practice, the adjustable rear sight lets you dial in your zero, and two 10-round magazines come included right out of the box. It's a great fit for M&P owners looking to train on the cheap, new shooters getting comfortable with a quality handgun, or anyone building a suppressed rimfire setup without a lot of fuss.
Key Specifications
- Manufacturer: Smith & Wesson
- Model: M&P22 Compact Threaded Barrel
- MPN: 10199
- UPC: 022188866506
- Caliber: .22 LR
- Action: Single Action, Hammer-Fired Blowback
- Capacity: 10+1
- Barrel Length: 3.56"
- Overall Length: 7.25"
- Weight: 15.3 oz.
- Frame Material: Polymer
- Slide Material: Aluminum Alloy
- Barrel Material: Carbon Steel
- Slide Finish: Armornite
- Sights: White Dot Front / White 2-Dot Screw-Adjustable Rear
- Safety: Ambidextrous Manual Thumb Safety, Magazine Safety
- Thread Pitch: 3/8×24 (adapter to 1/2×28 included)
- Country of Origin: USA
What’s Included
- S&W M&P22 Compact Threaded Barrel Pistol
- (2) 10-Round Magazines
- Thread Adapter (3/8×24 to 1/2×28)
- Thread Protector
- Wrench for Thread Adapter
- Gun Lock / Locking Device
- Owner's Manual
Frequently Asked Questions
What thread pitch does the M&P22 Compact Threaded Barrel use, and do I need an adapter for a suppressor?
The barrel is threaded at 3/8×24 from the factory, which is not the standard 1/2×28 pitch used by most suppressors and muzzle devices. S&W includes a thread adapter in the box that converts to the industry-standard 1/2×28, so most cans will thread right on. Keep the included wrench handy, as it's needed to remove and install the adapter.
Is the M&P22 Compact the same size as the centerfire M&P Compact models?
Not exactly. The M&P22 Compact is its own platform, scaled to approximately 87.5% of the full-size M&P9 rather than matching the centerfire compact dimensions. In practice, it ends up feeling closest in size and grip feel to the M&P Shield. It won't share holsters with the centerfire M&P Compact, so keep that in mind.
Is this a good pistol for training with an M&P centerfire?
It's one of the better options out there for that purpose. The grip angle, manual safety location, magazine release, and overall feel are all faithful to the full-size M&P lineup. Running .22 LR lets you get a lot more trigger time for the money without changing your muscle memory much.
Is the M&P22 Compact striker-fired like other M&P pistols?
No, and this is a common point of confusion. The M&P22 Compact uses an internal hammer-fired, blowback-operated design rather than the striker-fired system found in the centerfire M&P line. This is standard practice for most semi-auto .22 LR pistols, since the lower-pressure rimfire cartridge works better with this type of action.
Does the M&P22 Compact come with more than one magazine?
Yes, two 10-round magazines are included in the box. That gives you a ready-to-shoot setup right out of the package without having to buy spare mags separately.
How hard is it to field strip the M&P22 Compact for cleaning?
It's pretty simple. Lock the slide back, remove the magazine, confirm the chamber is clear, then rotate the takedown lever 90 degrees downward. From there, the slide pulls back and lifts free from the frame. The barrel is fixed to the frame, so once the slide is off you just remove the captured recoil spring and guide rod assembly. Three main pieces total, and the captured guide rod makes reassembly easy.







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