ATI GSG Firefly 4.9" .22lr Threaded Barrel Pistol, Black - GERG2210TFF

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ATI GSG Firefly 4.9" .22lr Threaded Barrel Pistol, Black - GERG2210TFF


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SKU: 52391
UPC: 813393019685
  • Caliber: .22 LR HV
  • Height: 5.3"
  • Length: 7.2"
  • Weight: 24.6 oz
  • Magazine Capacity: 10 rds
  • Frame: Zinc Alloy
  • Slide: Zinc Alloy
  • Sights: Adjustable rear sight
  • Grips: Black Polymer
  • Barrel: Threaded M9 x .75
  • Barrel Length: 4.9"
  • Barrel Material: Steel

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The GSG FireFly features a wear-resistant alloy frame outfitted with an integrated accessory rail. The slide features adjustable sights, and along with the rugged blowback system, fixed barrel and superior ergonomic grip, the GSG FireFly delivers exceptional accuracy. Additional safeties include an internal locking device and slide mounted ambidextrous safety.

SKU: 52391
SKU 52391
Brand ATI
Daily Deal No
Daily Deal Expires No
Youtube Video PkdMEi51myo
Free Shipping? Yes
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 52391

Questions and Answers

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Browse 4 questions Browse 4 questions and 17 answers
Does the firefly gsg come in 9mm ???
scout 60 on Aug 9, 2018
BEST ANSWER: Yeah, its called Sig P226.
Does it come with an extra mag?
Tshaw on Aug 10, 2018
BEST ANSWER: No. Only comes with one mag. Can get Sig Mosquito or GSG mags for it for about 22-25 dollars. Works great for me and cycled great after good cleaning with CLP.
Can this item be purchased or picked up at the Mt.Pleasentl location?
Mikew on Aug 10, 2018
BEST ANSWER: I ordered online and had it shipped to the Summerville store
Can the thread be changed to 1/2x28 with an adapter?
Eric S on Nov 29, 2018
BEST ANSWER: Yes, you should be able to find one online at a reasonable price.


3.8 / 5.0
25 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Not a value at any price!
So I’m excited about this pistol. I’d read the reviews. Fussy, doesn’t cycle low velocity. So I’ll just use mini mags, or similar, like the reviews suggest. I had some bulk Federal and Winchester Super X, 37 gr., 1330FPS stuff that my 10-22 fires flawlessly. I’ll give these a try. Out of the box tried about 50 rds of each. Wouldn’t cycle through an entire clip on either. Well, I’m just breaking it in. Took it down, cleaned with Hoppes 9, lubed well with Remmoil, and back out to range...wanted to try a variety of stuff. Started with the CCI Stinger 32 gr 1640 rds, still won’t cycle a clip. So, maybe too light. Go to the CCI Mini Mag 36gr. Still won’t cycle reliably. So I try Remington Golden HV 40gr. No go. I don’t know what this pistol likes.
A pistol I can’t trust to be reliable is worthless to me.
December 9, 2018
November 30, 2018
1 month ago
Good Gun for the price
Like so many before I had to polish the feed ramp to make it chamber rounds. I also had to polish the hammer and slide where it was failing to cycle properly. Now it will fire any .22 round strong enough to cycle the slide. Subsonic is not going to work. Dead on accurate and fun little gun to shoot.
November 28, 2018
ONLY USE REMINGTON THUNDERBOLT and you won’t have a problem. My wife and I both have the firefly. After trying multiple brands of ammo the Remington Thunderbolt cycles perfectly for us. We have cycled well over 2000 rounds each through the guns.
November 27, 2018
Fun gun
A good deal, shoots well..can't beat the price
November 25, 2018
1 month ago
Great 22 Semi-Automatic
I've been looking for a 22 pistol but didn't want to pay $350+ or use a single action revolver. I found the Firefly at $179 and researched GSG and their relationship to Sig's Mosquito.

I used it for the first time last week with my kids and it was fantastic as long as I used CCI Mini-Mags. It was very accurate with No failures of any kind.

I tried other rounds from Federal and Hornaday and it was a problem, then I switched back to CCI and it was smooth again.

My kids love this gun and are excited about shooting it again.
November 1, 2018
4 months ago
Good, Bad, and Ugly
I had problems out of the box before I even left the FFL. The decocker wouldn't work or the safety. My FFL guy was like do you want me to send it back? He even volunteered to test fire it for me. I was having a very bad feeling overall. I wanted one of these because my best friend loaned me his Sig Mosquito and I was very impressed with it. I shoot about 200 rounds and only had 2 or 3 jams.

I shot Aquila Hv (copper plated 40gr round nose 1250fps) and had tons of FTF as well as a few FTE. After a while the FTF count went down to every other magazine.

I then tried Federal Champion hollow points (36gr copper plated 1260fps) and had again tons of FTF but almost no FTE. I noticed the nose of the bullet would tilt down causing this to happen.

At this point in time I'm ready to sell it. So, I put it away for a while, as you can imagine, until I had the courage to try it again. Upon trying again I added Blazer lead round nose to the mix 1235fps.

Almost all the problems I was having began to go away when I painfully was able to put 380 rounds through it. I never polished the feed ramp like so many have done. It shoots all 3 ammo brands very well even the 1235fps blazer now.

Very accurate
Threaded barrel
Has the feel of a larger pistol
October 16, 2018
Not reliable
I polished the feed ramp, cleaned, lubed, etc and this thing will still choke (FTF, FTE) on HV bulk ammo. I have not tried minimags but hoping this will help with the issues. I got frustrated with this handgun so I move on to shooting some of my others. It is fun to shoot it suppressed, but it has been rare to cycle more than 3 rounds without some sort of failure.
October 10, 2018
Worst pistol ever!
My son and I both bought one of these pistols to plink with and have fun. Neither are able to cycle a single magazine without having a malfunction. Failures to feed and failures to extract being the most common. This continued even after changing the recoil spring and polishing the feed ramps. Buyer beware these pistols are complete junk. Take a few minutes to read honest reviews online about them and save yourself the money.
October 8, 2018
Satisfied customer
When I first received my GSG Firefly, the magazine would not lock in place easily - I had to wiggle it or smack the bottom of the mag hard in order for the mag to seat properly.
I reached out to customer support to arrange a return for repair. My customer support experience was not good and I felt I made a mistake by purchasing the pistol.
Before investing additional money to ship the pistol back, I decided to spend a little time looking over the problem and realized the bottom of left grip barely extended too far causing the interference. I polished a very small amount of material from the bottom of the grip and reinstalled. This resolved the issue with minimal effort.
Since then, I have fired hundreds of rounds through the pistol and have not experienced any problems - not a single jam or misfeed, which I think is exceptional for a 22LR pistol and bulk ammo.
So, in the end, I give a 4- star overall rating only because of the initial problem and poor customer support.
The Firefly has become one of my favorite 22 pistols to shoot and I recommend it. I have considered purchasing another because PSA is selling for a terrific price.
September 24, 2018

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