The ATI GSG Firefly is a .22 LR DA/SA semi-automatic pistol with a zinc alloy frame, polymer overmold, and tan finish. It holds 10+1 rounds and includes an integrated accessory rail. 
 

Key Specifications 

• Brand: American Tactical Imports 
• Model: GSG Firefly 
• Caliber: .22 LR 
• Action: Double / Single Action 
• Capacity: 10+1 rounds 
• Barrel Length: 4 inches 
• Overall Length: 7.2 inches 
• Weight: 24.6 oz (1.5 lbs) 
• Sights: Adjustable Rear with 3-Dot Configuration 
• Grip Material: Black Polymer 
• Safety Feature: Ambidextrous Thumb Safety 
• Finish Color: Tan 
• Condition: New in Box 
   

Detailed Features 

The DA/SA action provides a heavier first pull in double-action mode and a lighter pull in single action for follow-up shots. The adjustable rear sight can be zeroed for windage and elevation. The ambidextrous thumb safety works for both left- and right-handed shooters. An integrated accessory rail accepts lights and lasers in standard formats. Frame is zinc alloy with polymer overmold. 
 

Usage Scenarios 

• Training: Low recoil and affordable .22 LR ammunition make it practical for high-volume fundamental drills. 
• Range and Sport: 10+1 capacity and adjustable sights support casual target work and local .22 competitions. 
• Home Defense: The accessory rail allows a light to be mounted; ambidextrous safety operates under stress without searching for the control.

Buyers generally pick up the Firefly for its price and .22 LR economics. New shooters appreciate the low recoil and full-size grip feel, and the tan finish draws some interest as an alternative to the standard black version.

Reliability feedback is the most consistent point of division. Many owners run it without issues through a variety of ammunition, but jams and feeding problems appear often enough in reviews to be a real pattern, particularly with lower-quality bulk .22 LR. Most settle on a preferred brand after testing. Build quality impressions differ from the black version — some feel the tan finish adds visual appeal while others report the construction feels lighter relative to similarly priced pistols. Overall the Firefly is recommended for recreational plinking and training rather than as a primary defensive firearm.