The ATI GSG Firefly is a .22 LR semi-automatic pistol with a purple zinc alloy frame, black zinc alloy slide, and a 4.9-inch barrel. It runs single/double action and ships with an ambidextrous slide-mounted thumb safety and a threaded barrel. 
 

Key Specifications 

• SKU: 1794002060 
• UPC: 819644022060 
• Brand: ATI (American Tactical Imports) 
• Model Name: GSG Firefly 
• Caliber: .22 LR 
• Action Type: Semi-Auto (Single/Double Action) 
• Capacity: 10+1 rounds 
• Barrel Length: 4.9 inches 
• Overall Length: 7.2 inches 
• Weight: 24.6 oz (1.54 lbs) 
• Finish: Purple Zinc Alloy Frame / Black Zinc Alloy Slide 
• Sights: Adjustable Rear / Fixed Front 
• Grip Type: Standard Black Polymer Grip 
• Safety Features: Ambidextrous Slide Mounted Thumb Safety 
   

Detailed Features 

 
The adjustable rear sight lets you dial in elevation and windage for your preferred ammunition. The threaded barrel accepts suppressors or muzzle devices using the standard thread pitch. The ambidextrous thumb safety on the slide works for both hands. Zinc alloy construction keeps manufacturing cost low while maintaining reasonable durability for a rimfire pistol. The 10+1 capacity is standard for this size class in .22 LR. 
 

Usage Scenarios 

1. Range practice and target shooting with low-cost .22 LR ammunition 
2. Training tool for new shooters learning handgun fundamentals at reduced recoil 
3. Recreational shooting where the purple frame generates interest 
4. Suppressor host with the factory-threaded barrel

The GSG Firefly in purple gets attention first for the color, and reviews move from there.

The vibrant purple finish is a deliberate purchase reason for many buyers who want something that looks different from standard pistols. It tends to be the first thing mentioned in discussions.

As a .22 LR training and plinking gun, it fits the use case well. Low recoil makes it approachable for new shooters, and .22 LR ammunition costs keep range sessions affordable.

Ergonomics are generally comfortable, with the grip working for average hand sizes. Handling is described as natural for basic range work.

Reliability draws mixed feedback. Occasional jams and feeding problems are reported by some users, particularly with certain ammunition. This is not universal but appears in enough reviews to be a genuine consideration.

The grip size can feel cramped for shooters with larger hands. Build quality comparisons to more established pistol brands are common, with the zinc alloy construction a known trade-off at the price point. Buyers are generally advised to choose ammunition carefully and manage expectations relative to higher-cost options.