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High Performance, Low Caliber: The New S&W M&P 22 Magnum Pistol

High Performance, Low Caliber: The New S&W M&P 22 Magnum Pistol

Smith & Wesson’s M&P series just got an upgrade with the release of the new M&P 22 Magnum pistol.

The Smith & Wesson M&P 22 Magnum is chambered in 22 WMR and boasts an impressive capacity of 30 rounds, making it an excellent choice for training, target shooting, and even personal defense.

This unique gun features a patented Tempo gas-operated barrel system, which is designed with a front gas port that stays locked until a round leaves the barrel, resulting in a more consistent, reliable, and accurate shooting experience.

The M&P 22 Magnum is fully ambidextrous and has a fiber optic front sight and black notched rear sight. It also comes optics-ready and features a Picatinny-style accessory rail, allowing users to customize it to their liking.

In this article, we’ll cover all the details of this new 22 Magnum pistol to help you determine whether it’s the right fit for you.

S&W M&P 22 Magnum Specs


22 WMR







Barrel Length





22 oz





S&W M&P 22 Magnum Features

The new M&P 22 Magnum comes with a whole range of features that make it an excellent choice for concealed carry or home defense. Let’s break it down:

Size & Capacity

There aren’t a lot of defensive weapons on the market chambered in 22 WMR, though it has been a popular round among hunters for decades.

This smaller rimfire caliber not only results in less recoil but also allows for an impressive 30-round capacity that fits neatly into a 1.13” wide grip, meaning “less time reloading and more time shooting.”

In terms of size, the S&W M&P 22 Magnum measures 5.9” tall and 8.4” long, with a barrel length of 4.35”. It weighs a mere 22 ounces, making it easy to carry for long periods.

Frame, Slide & Barrel

The Smith & Wesson M&P 22 Magnum is made with a full-size polymer frame and a slim, textured polymer grip.

It’s designed with a 4.35-inch stainless steel barrel coated with a protective Armornite finish and features a Picatinny-style rail for mounting various accessories.

But the real show-stopper is the M&P Magnum’s innovative internal hammer-fired gas-operated locked-breech TEMPO barrel system. This barrel design has a front gas port that keeps everything locked until a round exits the barrel. In other words, the barrel doesn’t open until a bullet passes through the gas port, resulting in a smoother, more accurate shooting experience.

Sights & Optics

The M&P 22 Magnum comes standard with a fiber-optic front sight and a black notched rear sight, making it easy to get a clear sight picture. It also comes optics-ready, allowing you to mount most popular micro red dots directly to the gun.

Sight and Optics close up image for the new S&W M&P 22 Magnum


When it comes to safety, the Smith & Wesson M&P 22 Magnum pistol features a manual thumb safety and a slide stop. Both of these controls are ambidextrous, meaning they are accessible for both right- and left-hand shooters.


The M&P 22 Magnum comes with a flat-faced trigger designed to create consistent finger placement for more accurate and consistent shots. Clean and crisp, this trigger has a fairly long take-up.

About Smith & Wesson

Founded in 1852, Smith & Wesson has spent over 170 years manufacturing firearms for Americans seeking to exercise their constitutional rights.

The U.S.-based company was started by Horace Smith and D.B. Wesson, who partnered to create innovative new designs, including the first gun to fire a fully self-contained cartridge in 1854.

Through continuous innovation, Smith and Wesson grew in popularity, introducing groundbreaking models like the first double-action revolver, the legendary .357 Magnum, and the revolutionary .40 S&W cartridge.

Today, the company remains dedicated to upholding the freedoms promised in the Second Amendment by providing high-quality firearms to law-abiding citizens.

Where Can I Find the Smith & Wesson M&P 22 Magnum

If you're interested in picking up the new M&P 22 Magnum, visit your local gun store or search online retailers to find it in stock. Popular sporting goods stores typically carry new Smith & Wesson products, or you can order one online at, Gearfire, or Gallery of Guns.

And don't forget accessories – pick up extra magazines, ammo, eye and ear protection, cleaning kits, and other essentials for your range bag. Check out our Resources Page for links to recommended products like lights, lasers, and more!

If you’re looking for a new IWB, OWB, or pocket carry S&W M&P 22 Magnum holster, visit our Holsters by Gun Model page for Kydex holsters that are custom-made for your weapon of choice. Interested in items beyond holsters? You can browse our selection of apparel, and accessories at our website,

To stay up-to-date on all the latest Vedder Holsters content and offerings, check out our blog and follow us on Facebook, Instagram, and Twitter. And be sure to visit our sister company, GeoGrit, for all your American-made minimalist wallet needs.

Mikayla Blair

After launching her career as an award-winning journalist in the American Southwest, Mikayla Blair joined the Vedder Holsters team as a content writer in 2021. She writes about all things guns, holsters, and concealed carry, and is especially passionate about women's self-defense.

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