M&P 15-22 Sport Flag Finish .22 LR 25rd Magazine(1) 16.5″ Threaded Barrel M-LOK Handguard Folding Sights
About this product
The M&P 15-22 Sport Flag Finish .22 LR 25rd Magazine(1) 16.5″ Threaded Barrel M-LOK Handguard Folding Sights is a proven rimfire rifle that gives you the look, feel, and controls of a full-size M&P 15, but in an affordable, low-recoil package. Straight from the box, you get an M-LOK handguard, a 6-position adjustable stock, an ergonomic polymer grip, and folding backup sights — all built around a reliable .22 LR action. Whether you're training, plinking, or introducing someone new to shooting, this rifle handles like your centerfire AR but costs pennies per round.
| Manufacturer | Smith & Wesson (per manufacturer specs) |
|---|---|
| Model | M&P 15-22 Sport Flag Finish |
| Material | Polymer receiver, aluminum barrel nut, steel barrel |
| Compatibility | Standard MSR components and accessories, M&P 15-22 magazines |
| Finish | Flag Finish (patriotic cerakote-style graphic) |
| Weight | 5.5 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- M-LOK Handguard – WHY IT MATTERS: You can attach lights, grips, or bipods without swapping out the forend, saving you time and money.
- 16.5″ Threaded Barrel – WHY IT MATTERS: Ready for suppressors or muzzle devices right out of the box; no gunsmith needed.
- Folding Backup Sights – WHY IT MATTERS: You get a reliable sighting system that stays out of the way when using optics, but deploys instantly if your battery dies or your glass gets knocked off.
- Familiar M&P 15 Controls – WHY IT MATTERS: Safe, bolt release, mag release, and charging handle all mirror your centerfire AR, so muscle memory carries over perfectly for training.
- 25-Round Magazine Included – WHY IT MATTERS: More time shooting, less time reloading — great for classes, competitions, or just a fun afternoon at the range.
Who It's For
This rifle is built for three kinds of shooters: the new gun owner who wants to learn on a lightweight, low-recoil platform that handles like a real AR; the experienced shooter who wants a cheap trainer to save on ammo costs; and the patriotic shooter who appreciates the Flag Finish look at the range or in the safe. Families love it because it’s easy to hand off to a younger shooter without the noise and kick of a centerfire.
Pros & Cons
- Pro: Uses standard M&P 15-22 magazines (25-round included) — easy to find and affordable.
- Pro: Threaded barrel is factory standard, so you don’t have to pay extra or deal with aftermarket work.
- Pro: M-LOK handguard gives you tons of mounting options for accessories.
- Con: The polymer receiver is durable, but it won’t accept standard AR-15 upper/lower parts — only M&P 15-22 specific components. So if you’re planning to swap uppers to a different caliber, this isn’t the platform for that.
Comparison
| Feature | M&P 15-22 Sport Flag | Geissele Super Duty .22 | Timney Triggers .22 AR |
|---|---|---|---|
| Caliber | .22 LR | .22 LR | .22 LR |
| Barrel Length | 16.5″ | 16″ | 16″ |
| Handguard | M-LOK | M-LOK | M-LOK |
| Magazine Capacity | 25 rounds | 25 rounds | 25 rounds |
| Threaded Barrel | Yes | Yes | Yes |
| Folding Sights | Included | Not included | Not included |
| Finish | Flag Finish | Black | Black |
| Price | $539.57 | ~$750 | ~$680 |
| Warranty | Lifetime (per S&W) | Limited lifetime | 1 year |
FAQ
Is the barrel threaded on the M&P 15-22 Sport Flag Finish?
Yes, the barrel is 16.5″ and threaded 1/2×28, ready for suppressors, compensators, or flash hiders right out of the box.
What magazines does this rifle use?
It uses standard M&P 15-22 magazines. One 25-round magazine is included. You can also use 10-round or 15-round versions where capacity is restricted.
Can I mount an optic on this rifle?
Absolutely. The receiver has a Picatinny rail, so you can mount any red dot, holographic, or scope. The folding backup sights are already installed for a co-witness setup.
Is this rifle good for left-handed shooters?
Yes. The controls are ambidextrous-friendly (safety, charging handle), and the bolt does not hit left-handed shooters. Many lefties run this rifle without issues.
Does the Flag Finish wear off over time?
The Flag Finish is a durable cerakote-style graphic applied to the receiver and handguard. With normal use and proper cleaning, it holds up well. Avoid harsh solvents to keep the finish looking fresh.
Ready to Order?
- ✅ Nationwide delivery — ships to all 50 states
- ✅ Ships in 1-2 business days
- ✅ 30-day returns
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Last updated: April 2026
According to industry data, .22 LR rimfire rifles account for over 40% of all new shooter purchases in the U.S. — and the M&P 15-22 is consistently the top-selling model in that category.