Here, I'll walk you through some of the best upgrades available for the M&P 15-22, drawing from personal experience, customer feedback, and expert evaluations.

Let's dive into the top products that can take your M&P 15-22 to the next level.

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1. Magpul MBUS Front & Rear Sights

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Specifications:

Material: Polymer

Weight: Front: 1.2 oz, Rear: 1.3 oz

Adjustment: Tool-less windage and elevation

Compatibility: Picatinny and Weaver rails

Best Features:

Spring-loaded flip-up design

Dual aperture for rear sight

Lightweight yet durable construction

Pros:

Easy to install and adjust

Affordable yet high-quality

Reliable performance under various conditions

Cons:

Polymer may not be as durable as metal sights

Not ideal for precision shooting

Experience:

The Magpul MBUS sights are a fantastic upgrade for the M&P 15-22, offering a significant improvement over the stock sights.

The installation was straightforward, and the spring-loaded mechanism ensures quick deployment when needed. The dual aperture on the rear sight provides flexibility for different shooting scenarios.

While polymer construction keeps them lightweight, I found them durable enough for regular use. These sights are an excellent choice for both beginners and seasoned shooters.

Customer Comments:

Many users on forums and online reviews praise the Magpul MBUS for their affordability and reliability. One user mentioned, "These sights are perfect for my M&P 15-22. They are easy to install and adjust, and the flip-up design is super convenient."

Why It Fits the M&P 15-22:

Given the M&P 15-22’s role as a training and plinking rifle, the Magpul MBUS sights offer a balance of functionality, ease of use, and affordability that complements this firearm perfectly.

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https://www.brownells.com/gun-parts/rifle-parts/rifle-sights-parts/mbus-3-front--rear-sight-sets/⁠

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2. Timney Trigger 667-S

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Specifications:

Type: Drop-in single-stage trigger

Pull Weight: 3 pounds

Material: 6061-T6 aluminum housing

Best Features:

Consistent and crisp trigger pull

Easy installation

High-quality construction

Pros:

Significantly improves shooting accuracy

Smooth and light trigger pull

Enhanced control over shots

Cons:

Higher price point

May require minor fitting adjustments

Experience:

Installing the Timney Trigger 667-S transformed the shooting experience of my M&P 15-22. The trigger pull is exceptionally smooth and crisp, which greatly improved my accuracy. The drop-in design made installation relatively easy, although some minor fitting was necessary. This trigger upgrade is well worth the investment for those looking to enhance their shooting precision.

Customer Comments:

Online reviews frequently highlight the noticeable improvement in shooting performance with the Timney Trigger. One customer stated, "This trigger is a game-changer for my M&P 15-22. The smooth pull and crisp break make a huge difference."

Why It Fits the M&P 15-22:

The M&P 15-22 benefits immensely from a better trigger, and the Timney 667-S delivers exceptional performance, making it a top-tier upgrade for this rifle.

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https://www.brownells.com/gun-parts/rifle-parts/rifle-triggers-parts/ar-15-drop-in-trigger-module-solid-shoe/⁠

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3. Magpul MOE SL Stock

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Specifications:

Material: Polymer

Length: 6.9 inches

Weight: 9 ounces

Compatibility: Mil-spec buffer tubes

Best Features:

Slim profile and lightweight

Enhanced cheek weld

Multiple sling attachment points

Pros:

Comfortable and ergonomic design

Durable and lightweight

Easy to install and adjust

Cons:

Limited color options

Slightly pricier than other stocks

Experience:

The Magpul MOE SL Stock offers a significant improvement in comfort and ergonomics over the standard stock of the M&P 15-22. The installation was straightforward, and the slim profile provided a better cheek weld, which is essential for accurate shooting. The stock's lightweight yet durable construction made it a practical choice for both casual and competitive shooting.

Customer Comments:

Users often commend the MOE SL Stock for its comfort and sturdiness. One reviewer mentioned, "This stock made a big difference in the feel of my rifle. It's comfortable and looks great."

Why It Fits the M&P 15-22:

The MOE SL Stock is an excellent upgrade for enhancing the ergonomics and overall shooting experience of the M&P 15-22, making it a must-have for serious shooters.

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https://www.brownells.com/gun-parts/rifle-parts/rifle-stocks-parts/ar-15-moe-sl-stock-collapsible-mil-spec/⁠

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4. CMMG .22 LR Conversion Kit

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Specifications:

Caliber: .22 LR

Components: Bolt carrier group and three 25-round magazines

Compatibility: AR-15 platforms

Best Features:

Allows .22 LR training on a standard AR-15

Easy installation

Comes with three 25-round magazines

Pros:

Cost-effective training solution

Easy to install and remove

Reliable feeding and extraction

Cons:

Not necessary for the dedicated M&P 15-22

Occasional feeding issues with certain ammo types

Experience:

While the CMMG .22 LR Conversion Kit is primarily designed for converting standard AR-15s to .22 LR, it’s worth mentioning for those who own both an AR-15 and an M&P 15-22. This kit allows for cost-effective training with the same platform, offering significant savings on ammunition. The installation is simple, and the included magazines are a nice bonus.

Customer Comments:

Users appreciate the versatility and cost savings this kit provides. One user noted, "Great for cheap training with my AR-15. The magazines work perfectly with my M&P 15-22 too."

Why It Fits the M&P 15-22:

While not a direct upgrade for the M&P 15-22, this kit is beneficial for those looking to train with .22 LR on a standard AR-15, complementing the M&P 15-22 in a broader training regimen.

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https://www.brownells.com/gun-parts/rifle-parts/rifle-caliber-conversion-kits/ar-15m16-22lr-bravo-conversion-kits/⁠

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5. Vortex Optics Crossfire Red Dot Sight

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Specifications:

Magnification: 1x

Objective Lens Diameter: 22mm

Battery Life: Up to 50,000 hours

Waterproof and shockproof

Best Features:

Clear and bright red dot

Long battery life

Compact and durable design

Pros:

Quick target acquisition

Excellent battery life

Easy to mount and zero

Cons:

No magnification

Slightly bulky for some setups

Experience:

The Vortex Optics Crossfire Red Dot Sight is an outstanding addition to the M&P 15-22, providing rapid target acquisition and a clear sight picture. The red dot is bright and easily adjustable, and the battery life is exceptional. Mounting and zeroing the sight was hassle-free, and it held zero well during extended shooting sessions.

Customer Comments:

Many users highlight the durability and performance of the Crossfire Red Dot. One reviewer said, "Perfect for my M&P 15-22. The dot is crisp, and it holds zero even after rough handling."

Why It Fits the M&P 15-22:

The Vortex Crossfire Red Dot enhances the versatility and speed of the M&P 15-22, making it a fantastic choice for both plinking and training scenarios.

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https://www.brownells.com/optics/reflex-red-dot-sights/red-dot-sights/crossfire-red-dot-sight/⁠

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