American Tactical Inc

ATI GSG-9 9mm 7.9in Threaded Barrel 33+1(1)

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The ATI GSG-9 is a modernized pistol-caliber platform inspired by the classic WWII-era MP-9, bringing iconic style into a thoroughly current package. Built on an aerospace-grade aluminum upper receiver, it features a cold hammer forged 7.9-inch threaded barrel, an M-LOK handguard for attaching lights, lasers, or other accessories, and a Picatinny top rail ready for your optic of choice. Whether you're running drills, plinking at the range, or building out a home defense setup, the GSG-9 delivers a fun and capable 9mm experience that punches well above its price point.

One of the GSG-9's standout features is its broad magazine compatibility — it ships with adapters for both Glock double-stack and SIG P320 9mm magazines, so you're not locked into a proprietary ecosystem. The 33-round magazine included gives you plenty of capacity to keep the fun going between reloads, while ambidextrous controls and an adjustable trigger make it accessible and comfortable for a wide range of shooters.

Key Features:

Caliber: 9mm Luger

Barrel Length: 7.9 inches, cold hammer forged, threaded M13x1

Capacity: 33+1, includes one 33-round magazine

Receiver: Aerospace-grade aluminum with Picatinny top rail

Handguard: M-LOK compatible for accessories

Specifications

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