The GSG Firefly HGA is a full-size .22 LR pistol in mint green with a DA/SA trigger, 4-inch barrel, and 10+1 capacity. It weighs 24.60 oz (1.5 lbs) and measures 6.7 inches overall. 
 

Key Specifications 

• Brand: GSG 
• Model Name: Firefly HGA 
• Caliber: .22 LR 
• Class: Full-size 
• Action Type: Double Action/Single Action (DA/SA) 
• Capacity: 10+1 rounds 
• Magazines Included: 1 
• Barrel Length: 4 inches 
• Overall Length: 6.7 inches 
• Weight: 1.5 lbs (24.60 oz) 
• Sights: 3-Dot with Adjustable Rear 
• Grip Material: Black Polymer 
• Trigger Type: Standard 
• Safety Features: Ambidextrous thumb safety 
• Finish Color: Mint Green 
• Condition: New in Box 
   

Detailed Features 

The DA/SA action fires double-action on the first shot and single-action on follow-up shots, which suits shooters transitioning from traditional DA/SA pistols. The adjustable rear sight allows windage adjustment at the range. The ambidextrous thumb safety works for left- and right-handed users. Black polymer grip handles keep the weight down. The mint green finish is cosmetic and covers the frame. 
 

Usage Scenarios 

1. Target Practice: .22 LR keeps session costs low for high-volume use. 
2. Beginner Training: Low recoil and full-size grip make fundamentals development straightforward. 
3. Recreational Use: The distinctive color and easy handling suit casual range sessions.

The GSG Firefly Mint .22 LR gets positive feedback for ergonomics. The full-size frame and grip feel comfortable in hand and suit shooters with average to larger hand sizes. The DA/SA trigger is seen as a useful feature for those who want to practice with that action type.

Affordable .22 LR ammunition is a practical draw. The pistol makes range sessions economical, and low recoil keeps it easy to handle for extended use. Users describe it as fun to shoot.

The main criticism is reliability. Some owners report occasional jams or misfires, often tied to specific ammunition brands. Ammunition selection matters with this platform; premium .22 LR loads tend to perform better than bulk options. Build quality draws mixed comparisons against higher-priced alternatives, with some users finding it adequate for the price and others wishing for more refinement. The mint green color variant is appealing to buyers who want something distinctive but may not suit everyone's preferences.