ATI GERG2210TFFG FireFly | .22 LR | 10+1 | Green

The American Tactical / ATI GSG FireFly (GERG2210TFFG) is a .22 LR semi-automatic pistol built on a zinc-alloy frame overmolded with polymer and finished in green. It uses a blowback operating system with a serrated slide and an ambidextrous, slide-mounted thumb safety. The pistol includes an integrated accessory rail and an adjustable rear sight. Suggested optic pairing under $1000: Holosun HS507C red dot for a low-profile, durable reflex sight that complements the FireFly’s role as a trainer and range pistol.

Common applications: target training and recreational plinking.

Product Specifications

• The UPC is 813393019708.
• The manufacturer and model are American Tactical / ATI GERG2210TFFG (GSG FireFly).
• The caliber is .22 LR.
• The capacity is 10 + 1.
• The action is Double / Single Action.
• The frame material is Zinc Alloy overmolded with polymer.
• The frame finish/color is Green (OD Green).
• The grip material is Black Polymer.
• The slide is described as serrated.
• The barrel is threaded and the barrel material is steel.
• The thread pattern is M9x75 RH.
• The sights are an adjustable rear with a 3-dot configuration.
• The overall length is 7.20 inches.
• The weight is 24.6 oz.
• The pistol ships with one magazine.

The FireFly presents a compact, affordable .22 LR platform intended for training and range use. Its overmolded zinc-alloy frame with an accessory rail and an adjustable rear sight gives a practical baseline for setup and use straight from the box. The threaded steel barrel and standard 10+1 capacity make it flexible for users who want a dedicated rimfire trainer with additional customization options.

Owners commonly note the FireFly’s comfortable, ergonomic grip and its reliable accuracy for a rimfire trainer.

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