The ATI GSG-16 is a semi-automatic .22 LR carbine with a 16.25-inch barrel and a 22-round magazine. It adjusts between 28.5 and 34.25 inches overall via a collapsible stock. Unloaded weight is 5.84 lbs. Finish is matte black. Manufacturer is American Tactical Imports; model number GERGGSG1622. 
 

Key Specifications 

• Caliber: .22 LR 
• Barrel Length: 16.25 inches 
• Overall Length: Adjustable between 28.5 - 34.25 inches 
• Capacity: 22 rounds (1 magazine included) 
• Weight: 5.84 lbs (unloaded) 
• Finish: Matte Black 
• Manufacturer: American Tactical Imports 
• Model Number: GERGGSG1622 
   

Detailed Features 

The collapsible stock adjusts length of pull and includes a spare magazine storage compartment in the stock tube. The faux suppressor on the muzzle is integral to the design. The charging handle and safety are ambidextrous. Front and rear sights are adjustable. The overall design replicates the ergonomics of a full-size tactical carbine while keeping operating costs low with .22 LR ammunition.

Feedback on the ATI GSG-16 consistently centers on a few practical themes.

Affordability and .22 LR operating costs are the primary draw. Buyers who want to practice rifle fundamentals or enjoy plinking without spending heavily on ammunition find this carbine hits the right price point.

The fun factor comes up often. The design is well-liked for casual shooting, and the 22-round magazine keeps range sessions moving without constant reloads.

Customization options are appreciated. The platform accepts various optics and accessories, giving owners room to personalize the setup.

Reliability feedback is split. Most owners report solid function, but a meaningful subset mentions misfeeds or failure-to-eject incidents. Ammunition sensitivity is the most common explanation, with some brands running better than others.

Build quality draws the sharpest criticism. Certain plastic components feel less substantial than metal-framed alternatives, which affects the perception of long-term durability under heavy use.

The tactical aesthetic is polarizing. Some shooters like the look; others consider it styled beyond what the caliber actually demands.

Customer service responses vary. Positive warranty interactions exist alongside some reported difficulty reaching resolution.