Description
The ATI GSG-16 Carbine .22 LR 16.25in 10+1 M-LOK is a tactical .22 LR semi-automatic rifle that balances modern ergonomics with the reliability of a rimfire platform. Designed for recreational target shooting and training, it combines a 16.25-inch barrel with an M-LOK handguard and collapsible synthetic stock featuring an internal magazine storage compartment. This rifle ships with a 10-round magazine and operates as a semi-automatic with ambidextrous controls, making it a versatile choice for shooters who appreciate both form and function.
| Manufacturer | American Tactical Imports (ATI) |
|---|---|
| Model | GSG-16 Carbine |
| Material | Polymer stock, steel barrel (per manufacturer specs) |
| Compatibility | GSG-16 and GSG-15 magazines |
| Finish | Black anodized barrel, black synthetic stock |
| Weight | Approximately 5.84 lbs (unloaded) |
| Condition | New |
Key Features
- M-LOK Handguard – Allows you to mount lights, grips, or lasers directly to the forend without bulky adapters, keeping the rifle slim and customizable for your training needs.
- Collapsible Stock with Internal Magazine Storage – The stock not only adjusts for length of pull but also stows a spare magazine inside, giving you quick access to reloads without extra pouches.
- Ambidextrous Controls – Both the safety selector and magazine release are designed for left- or right-handed shooters, so no one has to compromise on speed or ergonomics.
- 16.25-Inch Barrel – This length provides a balance between maneuverability and sight radius, making the rifle easy to handle at the range or during training drills.
- 10+1 Round Capacity – Ships with a 10-round magazine, which is ideal for plinking, small-game hunting, or introducing new shooters to semi-automatic rifles without overwhelming them with recoil or noise.
Who It’s For
This carbine is built for the shooter who wants a .22 LR platform that mimics the feel and handling of a modern tactical rifle. It suits collectors of rimfire designs, enthusiasts who train on the cheap with .22 ammo, and history buffs who appreciate the evolution of the MP5-style platform into a rimfire trainer. If you value craftsmanship that makes practice affordable and fun, this rifle belongs in your safe.
Pros and Cons
Pros: Lightweight at 5.84 lbs; ambidextrous controls for all shooters; M-LOK handguard for accessories; internal magazine storage in stock; reliable semi-automatic action with .22 LR.
Cons: The polymer stock can feel slightly flexible under heavy use, but this is a common trade-off for weight savings on rimfire rifles. Additionally, the 10-round magazine may feel restrictive for some shooters who prefer higher capacity, though aftermarket options are available.
Comparison
| Feature | ATI GSG-16 Carbine | Zev Technologies OZ9 | Geissele Super Duty |
|---|---|---|---|
| Caliber | .22 LR | 9mm | 5.56 NATO |
| Barrel Length | 16.25 in | 4.5 in | 16 in |
| Weight | 5.84 lbs | ~24 oz | ~6.7 lbs |
| Handguard | M-LOK | M-LOK | M-LOK |
| Action | Semi-auto (blowback) | Semi-auto (striker) | Semi-auto (DI) |
| Magazine Capacity | 10+1 | 17+1 | 30+1 |
| Best Use | Training, plinking | Duty, competition | Duty, competition |
The GSG-16 is a rimfire trainer, while the Zev OZ9 and Geissele Super Duty are centerfire rifles built for serious defensive use. The GSG-16 wins on affordability and low-cost practice, but the others offer more power and capacity for high-stakes roles.
FAQ
What is the barrel twist rate on the ATI GSG-16 Carbine?
The barrel twist rate is 1:16 inches, which is standard for .22 LR barrels and optimizes accuracy with standard-velocity and high-velocity ammunition.
Does the GSG-16 accept GSG-15 magazines?
Yes, the GSG-16 is compatible with GSG-15 magazines, though the GSG-16 magazines have a slightly different profile. Both function reliably in this carbine.
Can I mount a suppressor on the GSG-16?
The barrel is not threaded from the factory, but aftermarket threaded barrels or adapters are available from third-party manufacturers if you want to suppress it.
Is the stock adjustable for length of pull?
Yes, the collapsible stock has multiple positions, allowing you to adjust the length of pull for a comfortable fit whether you’re wearing light clothing or heavy gear.
Trust and Delivery
✅ Nationwide delivery (all 50 states)
✅ Ships 1-2 business days
✅ 30-day returns
✅ Secure checkout
Browse more in our Semi Auto Rifles or Rimfire Rifles categories. Also check Firearms Accessories for M-LOK gear.
Last updated: April 2026




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