Description
The Smith & Wesson M&P15-22 Sport 22LR, 16.5″, 6-Position Stock, M-Lok, 25rd is a dedicated .22LR rimfire AR-platform rifle designed for high-volume, low-cost training, plinking, and small game hunting. It replicates the manual of arms and handling of a centerfire AR-15 at a fraction of the operating cost, making it an ideal foundational tool for skill development.
Key Features
- True AR-15 Ergonomics: Controls, weight, and balance mimic a standard 5.56 rifle for realistic training.
- M-LOK Handguard: A lightweight, 13-inch free-float rail for attaching lights, grips, and other accessories without tools.
- 6-Position Adjustable Stock: Customizes length of pull for shooters of all sizes and for use with body armor or winter gear.
- Reliable 25-Round Magazine: Comes with a polymer magazine for extended shooting sessions with minimal reloading.
- Dedicated .22LR Upper & Lower: Optimized for rimfire reliability—no centerfire conversion kit compromises.
Specifications & Details
| Caliber | .22 Long Rifle |
| Barrel Length | 16.5 inches |
| Overall Length (Stock Extended) | 35.5 inches |
| Weight (Unloaded) | Approx. 5.5 lbs |
| Action | Semi-Automatic, Blowback |
| Magazine Capacity | 25 Rounds (1 included) |
This rifle is drop-in ready and ships with one magazine. The 16.5-inch barrel provides a good balance of velocity and maneuverability, and the entire system is built to withstand thousands of rounds of affordable .22LR ammo. At a price point of $410.49, it represents a significant value for a name-brand training rifle that feels like the real thing.
Who It’s For
This is the rifle you grab when you need to put in serious trigger time without draining your wallet. It’s for the new shooter learning AR fundamentals, the seasoned owner maintaining perishable skills like sight picture and reloads, or the hunter needing a quiet, accurate small game tool. When it comes to introducing a family member to the platform, the minimal recoil and report of the .22LR make it the perfect choice. It’s also a fantastic option for competitive rimfire matches where speed and handling are key.
Pros & Cons
Pros: Extremely low cost per round for training. Authentic AR-15 control layout and muscle memory development. The M-LOK handguard offers modern mounting solutions. Lightweight and easy to handle for all-day shooting. Proven reliability with high-velocity ammunition.
Cons: As a dedicated .22LR, it is not a centerfire defensive weapon. Some ultra-cheap or subsonic ammo may cause cycling issues. The polymer construction is durable but lacks the heft of a mil-spec AR-15—that said, for its intended role, this is a benefit.
Frequently Asked Questions
Q: Is this just a .22 conversion kit for a standard AR-15 lower?
A: No. This is a complete, dedicated .22LR rifle with a matched upper and lower receiver set engineered by Smith & Wesson for optimal rimfire performance. It is not compatible with standard AR-15 lowers, but it shares ergonomics and manual of arms.
Q: What kind of optics and accessories can I mount?
A: The upper receiver has a Picatinny rail for any standard red dot or scope. The 13-inch M-LOK handguard accepts a vast array of modern accessories from brands like Magpul, Streamlight, and SureFire. You can build it out just like your primary rifle.
Q: Is it reliable with all types of .22LR ammunition?
A: For best performance, use high-velocity 40-grain round-nose ammunition. Standard and high-velocity rounds typically cycle flawlessly. It may struggle with subsonic or bulk-pack ammo that is particularly low-powered, which is common for most semi-auto .22LR rifles.
Ready to build skills without breaking the bank? This Smith & Wesson M&P15-22 Sport is available at firearms-missouri.com for Missouri residents and nationwide. An FFL transfer is required for firearm purchases.




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