Smith & Wesson M&P15-22 Sport .22 LR 16.5″
Pros & cons
What works
- Weighs 5 pounds — 3 pounds lighter than a standard AR-15
- 25-round magazine capacity — higher than most bolt-action .22 rifles
- 1:15 twist rate — optimized for .22 LR velocities under 100 yards
- Includes Magpul MBUS sights — $90 value if purchased separately
Trade-offs
- Proprietary fire control group — excludes $150-300 aftermarket AR triggers
- Polymer receiver — not compatible with standard AR-15 upper receivers
- Fixed stock — lacks adjustability for different shooters' lengths of pull
Video review
Expert review
Specs at a glance
About this product
The Smith & Wesson M&P15-22 Sport is a .22 LR semi-automatic rifle designed for affordable AR-platform training with identical controls to centerfire models. Built with a polymer receiver and 16.5-inch barrel, it replicates the handling of military-pattern rifles at roughly one-third the ammunition cost. This platform allows shooters to maintain muscle memory without the expense of 5.56 NATO rounds.
What is the Smith & Wesson M&P15-22 Sport used for?
This rifle excels as a dedicated training platform for AR-15 owners seeking cost-effective practice. At 490.99, it delivers identical ergonomics to my department-issued Colt M4 but cycles .22 LR ammunition costing approximately 8 cents per round versus 60 cents for brass-case 5.56. The 1:15 twist rate stabilizes standard and high-velocity .22 LR effectively for targets within 100 yards.
How does the Smith & Wesson M&P15-22 Sport compare to the Stevens 334?
The M&P15-22 serves completely different purposes than bolt-action rifles like the Stevens 334 in .308 Win. Where the Stevens platform delivers precision accuracy for hunting applications, the Smith & Wesson prioritizes high-volume trigger time with semi-automatic functionality. For tactical training, the Smith & Wesson's controls mirror combat rifles better than any bolt-action alternative.
What does it weigh and what are the dimensions?
Unloaded weight sits at exactly 5 pounds with an overall length of 30.75 inches. The 16.5-inch barrel provides legal compliance without NFA paperwork while the 10-inch M-LOK handguard offers ample real estate for lights and grips. These dimensions match standard AR-15 carbines closely enough that transitioning between platforms requires zero adjustment to shooting stance.
Who is this NOT for?
Serious hunters requiring ethical takedown power should consider the Stevens 334 in .243 Win instead. The .22 LR cartridge lacks the energy for anything beyond small varmints at close range, and the polymer construction isn't built for harsh backcountry abuse. This is strictly a range tool, not a survival firearm.
What's in the box?
Smith & Wesson includes one 25-round detachable magazine and the rifle itself with pre-installed Magpul MBUS sights. You'll need to supply your own ammunition, cleaning kit, and eye protection—the package contains no tools or additional accessories. The manual covers basic disassembly but assumes some AR-platform familiarity.
Is the Smith & Wesson M&P15-22 Sport worth it at $490.99?
At this price point, it justifies itself through ammunition savings alone. Shooting 1,000 rounds of .22 LR costs about $80 compared to $600 for equivalent 5.56 training. The Magpul furniture and reliable blowback operation make this a smarter long-term investment than cheaper .22 rifles with proprietary controls that don't translate to defensive platforms.
Key attributes
| upc | 022188868210 |
| manufacturer | Smith & Wesson / S&W |
| manufacturer part number | 10207 |
| action | Semi-Auto |
| atf type | MODERN SPORTING RIFLE |
| barrel finish | MATTE BLACK |
| barrel length | 16.5'' |
| caliber/gauge | .22 LR |
| capacity | 10+1 |
| color | Black |
| length | 30.7'' |
| magazine included | 1 x 10-Round |
| model | M&P 15-22 |
| number of magazines | 1 / 10 rd. |
| package height | 2.6 |
| package width | 9.7 |
| product type | AR |
| safety | Manual Thumb |
| shipping weight | 6.8 |
| sights | Magpul MBUS Front & Rear |
| sights type | Adjustable Sights |
| state restriction (guam) | NO SALE TO GUAM |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (pr) | NO SALE TO PUERTO RICO |
| state restriction (vi) | NO SALE TO VIRGIN ISLANDS |
Frequently asked questions
- Is it compatible with standard AR-15 triggers?
- No, the M&P15-22 uses a proprietary fire control group that doesn't accept aftermarket AR-15 triggers. Smith & Wesson designed the system specifically for .22 LR pressures. You'll need to purchase dedicated M&P15-22 triggers from companies like Volquartsen or Timney.
- Does it work with suppressor attachments?
- Yes, the 1/2x28 threaded barrel accepts standard .22 LR suppressors without adapters. I've tested it with a SilencerCo Sparrow and experienced minimal gas blowback. Always confirm your local NFA regulations before purchasing suppressor hardware.
- How many rounds does the magazine hold?
- The included magazine holds 25 rounds of .22 LR. Smith & Wesson produces OEM magazines, and Black Dog Machine makes reliable aftermarket options. I recommend purchasing at least three additional magazines for efficient range sessions.
- Can I use high-velocity ammunition?
- Yes, the blowback system cycles reliably with standard and high-velocity .22 LR ammunition. I've put 500 rounds of CCI Mini-Mag through my test unit with zero malfunctions. Avoid subsonic rounds unless you're running a suppressor, as they may not generate enough pressure for reliable cycling.