Description
GSG Firefly .22 LR 4.9in Threaded Barrel Black
The GSG Firefly .22 LR 4.9in threaded barrel black is a lightweight, compact semi-auto handgun built for accurate practice and fun range time with family. Its threaded steel barrel accepts standard .22 LR accessories, giving shooters the ability to add a suppressor or compensator without extra hassle. With an adjustable rear sight and serrated slide, this pistol helps new and experienced shooters alike build confidence shot after shot.
| Manufacturer | German Sport Guns (GSG) |
|---|---|
| Model | Firefly |
| Material | Steel barrel, polymer frame (per manufacturer specs) |
| Compatibility | 1/2×28 threaded muzzle devices, .22 LR ammunition |
| Finish | Matte black |
| Weight | Approx. 1.4 lbs (unloaded) |
| Condition | New |
Key Features
- Threaded Steel Barrel (4.9 inches) – Includes a 1/2×28 adapter so you can attach a suppressor or brake right out of the box. This makes quiet shooting or reduced recoil easy for the whole family.
- Adjustable Rear Sight – Dial in your point of aim without tools. Perfect for teaching new shooters how to zero a pistol.
- Serrated Slide – Gives you a sure grip when racking the slide, even with sweaty hands or when wearing gloves at the range.
- Compact 7.2-Inch Overall Length – Fits smaller hands comfortably and is easy to pack in a range bag. Great for youth shooters or anyone who prefers a smaller frame.
- Single 10-Round Magazine Included – Reliable feeding for plinking, target practice, or introducing beginners to semi-auto pistols.
Who It’s For
This handgun is built for families who want a safe, low-recoil training tool. It works well for youth shooters stepping up from a revolver, for adults who want to practice fundamentals without breaking the bank on ammo, and for anyone who enjoys accessorizing their rimfire pistol with a suppressor or muzzle device. The GSG Firefly is also a smart choice for informal target shooting and plinking sessions.
Pros/Cons
- Pros: Affordable price point, threaded barrel ready for accessories, adjustable sights for precision, lightweight and easy to handle, reliable .22 LR cycling.
- Cons: Some shooters may prefer a metal frame for added weight; the polymer frame can feel less substantial than all-steel designs.
Comparison: GSG Firefly vs. Competitors
| Feature | GSG Firefly .22 LR | Zev Technologies OZ9 | Agency Arms Syndicate |
|---|---|---|---|
| Caliber | .22 LR | 9mm | 9mm |
| Barrel Length | 4.9 inches (threaded) | 4.5 inches (threaded optional) | 4.6 inches (threaded) |
| Weight | ~1.4 lbs | ~1.8 lbs | ~1.7 lbs |
| Price | $243.41 | $1,500+ | $1,200+ |
| Best For | Budget-friendly family training | Competition/defense | Custom builds/defense |
FAQ
Does the GSG Firefly come with a threaded barrel adapter?
Yes. The GSG Firefly .22 LR 4.9in threaded barrel black includes a 1/2×28 adapter so you can attach most .22 caliber suppressors or muzzle brakes immediately. Per the manufacturer, this adapter is included in the box.
What is the overall length of the GSG Firefly?
The overall length is 7.2 inches, making it a compact pistol that fits well in smaller hands. It’s easy to carry in a range bag or store in a safe for family outings.
Is the GSG Firefly suitable for youth shooters?
Absolutely. The light recoil of .22 LR, combined with the adjustable sights and lightweight frame, makes it a great teaching tool for new shooters of all ages. The serrated slide also helps young shooters learn to rack the slide safely.
How many magazines come with the pistol?
One 10-round magazine is included. Additional magazines are available separately for extended range sessions or training drills.
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Last updated: April 2026
Browse more in our Semi Auto Handguns or check out Rimfire Pistols and Threaded Barrels.
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