Description
I remember the first time I took a new shooter to the range. They were intimidated, the rifle didn’t fit, and the whole experience was a chore. That’s the exact scenario the Mossberg Flex .22LR, 16.25″, Blue Flex 6-Position Adjustable Stock, 22rd was built to solve. It’s a .22 LR rifle designed from the ground up for adaptability, making it one of the most user-friendly and versatile plinkers on the market, especially for introducing new shooters or for a fun, low-cost range day.
ANSWER CAPSULE: The Mossberg Flex .22LR is a semi-automatic rimfire rifle with a 16.25-inch barrel chambered in .22 Long Rifle. Its defining feature is the blue, 6-position adjustable stock system that allows the length of pull to be tailored to any shooter. It comes with a 22-round detachable box magazine and is priced at $237.34.
Look, the genius here is in the name: Flex. The core of this rifle is its innovative adjustable stock. With six distinct positions, you can instantly adjust the length of pull from a compact 12.5 inches out to a full 14.25 inches. I’ve put a few hundred rounds through this model, and that adjustability isn’t a gimmick. It means a single rifle can comfortably fit a small-statured adult, a kid, or someone in full winter gear without any tools or gunsmithing required. The bright blue stock is a bold, fun choice that makes it stand out in the safe and is a hit with younger shooters.
Beyond the stock, you’re getting a reliable, blowback-operated semi-auto that feeds from a generous 22-round magazine. The 16.25-inch barrel keeps the overall length manageable and the rifle well-balanced. Weighing in at approximately 4.5 pounds, it’s light enough for all-day carry in the field or for a new shooter to handle comfortably. The manual safety is cross-bolt style, simple and intuitive for anyone to operate. It’s a classic .22 LR design executed with modern ergonomic thinking.
Specifications
| Specification | Detail |
|---|---|
| Caliber | .22 Long Rifle |
| Barrel Length | 16.25 inches |
| Overall Length (Adj.) | ~35.5 – 37.25 inches |
| Weight | Approx. 4.5 lbs |
| Magazine Capacity | 22 Rounds |
| Stock | Blue, 6-Position Adjustable |
Pros & Cons
The pros are clear: incredible ergonomic flexibility right out of the box, high magazine capacity for more shooting and less loading, and Mossberg’s reputation for durable rimfire actions. The light weight and low-recoiling .22 LR cartridge make it an ideal trainer. The cons? The polymer construction and bright color might not appeal to traditionalists looking for a walnut-stocked heirloom. Some may find the stock’s adjustability mechanism has a bit more play than a fixed stock, but for its intended role, it’s more than solid.
Who It’s For
This rifle is perfect for the family that wants one adaptable .22 for everyone to share. It’s a top-tier choice for new shooters, youth hunters, or anyone involved in introductory training. For the seasoned shooter, it’s a fantastically fun and affordable plinker where the cost of ammo—around $237.34 for the rifle itself—lets you shoot all afternoon without breaking the bank. It’s also a great option for small-game hunters who need a rifle that can adapt to different clothing layers in the field.
Frequently Asked Questions
Q: Is the stock the only “Flex” part, or can other components be swapped?
A: On this model, the Flex system specifically refers to the adjustable stock. However, Mossberg’s broader Flex line does offer interchangeable stocks and forends for some shotgun models, giving the platform its name. For this .22 LR, the stock’s adjustability is the primary feature.
Q: What kind of optics or sights does it use?
A: The rifle comes equipped with a simple, adjustable rear sight and a blade front sight. The receiver is also drilled and tapped for a scope base, making it easy to mount a rimfire-specific optic like those from Vortex or Bushnell for improved accuracy.
Q: Is it compatible with other Mossberg .22 magazines?
A: Yes, it should be compatible with other Mossberg 702 Plinkster and 715T model magazines. This is great for stocking up on extra mags, which are readily available and affordable. Always confirm specific model compatibility, but in my experience, they run interchangeably.
If you’re looking for a .22 that grows with a shooter or simply adapts to whoever picks it up, the Mossberg Flex is a seriously smart choice. It’s available at firearms-missouri.com for Missouri residents and nationwide, with an FFL transfer required for firearm purchases. See our site for current availability.
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