The GSG FireFly is a semi-automatic pistol chambered in .22 LR. It holds 10+1 rounds and has a 4-inch barrel. Overall length is 6.7 inches and weight is 1.5 lbs (24.6 oz). The polymer-framed pistol has a purple finish (also available in black). Sights are 3-dot. The action is DA/SA and the safety is an ambidextrous thumb safety. 
 

Key Specifications 

• Brand: GSG 
• Model Name: FireFly 
• Caliber: .22 LR 
• Action Type: Semi-Automatic (Double Action/Single Action) 
• Capacity: 10+1 rounds 
• Barrel Length: 4 inches 
• Overall Length: 6.7 inches 
• Weight: 1.5 lbs (24.6 oz) 
• Finish Color: Purple (also available in Black) 
• Grip Material: Black Polymer 
• Sights Type: 3-Dot Sights 
• Safety Features: Ambidextrous Thumb Safety 
   

Detailed Features 

At 24.6 oz the FireFly is light enough for all-day range sessions without fatigue. The DA/SA action means the first shot can be fired double-action from a decocked hammer, with subsequent shots running single-action. The ambidextrous thumb safety works for left- and right-handed shooters. The 3-dot sights are standard for target acquisition and are adequate for the .22 LR's typical use cases. 
 

Usage Scenarios 

The .22 LR caliber keeps ammunition costs low and recoil minimal, which makes the FireFly practical for high-volume training, introducing new shooters to semi-autos, or casual plinking. The 10+1 capacity is solid for the caliber. Competitive .22 shooting events are a natural fit given the light weight and manageable trigger. The purple finish makes it stand out if that matters to you.

The GSG FireFly in .22 LR purple draws reactions that split fairly cleanly between its looks and its practical performance.

Most owners mention the color first. The purple finish is polarizing — people either like the distinctive look or they don't, but it does differentiate the gun from anything else in the safe. The lightweight build (24.6 oz) gets consistent praise for extended range sessions.

Accuracy is rated adequately for target practice, though a few owners note it's sensitive to ammunition. Some .22 LR brands cause misfeed or ejection issues that don't show up with others, so it's worth testing a few loads to find what it runs cleanly. This is common for .22 semi-autos but worth noting here.

Build quality gets middling reviews. It's appropriate for the price range but doesn't feel premium. For a trainer or plinker at its price point most owners consider that an acceptable tradeoff. Aftermarket parts availability is limited compared to more established .22 pistol platforms.