ATI GSG Firefly .22 LR 4″ OD Green 10rd

About this product

The ATI/GSG Firefly is a compact .22 LR semi-automatic pistol designed for training, plinking, and general-range use. It pairs a 4″ non-threaded steel barrel with a serrated slide and an integrated accessory rail for basic light or optic mounting. The pistol is finished in an OD green frame with a contrasting black slide and ships with a 10-round magazine. Adjustable rear sights and ergonomic grips are intended to support straightforward sighting and handling on the range.

Key Specifications

• The caliber is .22 LR for economical range work and training.
• The barrel measures 4 inches and is non-threaded.
• The standard magazine capacity is 10 rounds.
• The action is Semi-Auto with a blowback operating system noted in manufacturer text.
• The barrel material is listed as steel.
• The slide material is listed as zinc alloy with serrations for manipulation.
• The finish is described as OD Green frame with a black slide (bi-tone appearance).
• The sighting setup is an adjustable rear sight (windage adjustment noted in sources).
• The listed weight is 24.6 ounces for the unloaded pistol in documented specifications.
• Includes one 10-round magazine and an integrated accessory/Picatinny-style rail on the frame.

Compact and straightforward, the Firefly combines common .22 LR handling with basic accessory compatibility and adjustable sights so shooters can practice fundamentals without excess bulk. Its 4″ barrel and familiar ergonomics make it suitable for range training and recreational shooting where a lightweight, economical platform is preferred.

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