Description
The FMK G3 Strike is one of the more complete out-of-the-box packages you'll find in a compact 9mm pistol. Most guns in this category ship bare and leave you sourcing a compensator, red dot, and tall sights separately. This one shows up with all three already sorted. The 4.5-inch threaded barrel has a Strike Industries compensator mounted at the factory, a red dot is installed on the optic-ready slide, and suppressor-height sights keep you co-witnessed without any extra work on your end.
FMK G3 Strike: Built for the Range, Ready for Real Life
The optic-ready slide on the G3 is milled to accept popular micro red-dot footprints directly, with no adapter plates needed. It's compatible with the Burris Fastfire 3, Vortex Viper, Vortex Venom, and Trijicon RMR, so if you ever want to swap the included optic for something different down the line, you have options. The slide itself is polished stainless steel and sits low over the frame thanks to a low bore axis design that helps keep muzzle flip in check between shots. Paired with the compensator on that threaded barrel, the G3 Strike runs noticeably flat.
The grip is one of the things FMK gets right that doesn't always get mentioned. The rubberized backstrap actively absorbs recoil and conforms to the palm rather than forcing your hand to adapt around it. It's comfortable for a wide range of hand sizes, and the aggressive frame texturing gives you a solid purchase without being punishing during long range sessions. The beveled mag well makes reloads quick, and with both a 17-round and a 14-round magazine included, you've got some flexibility depending on how you want to run it.
The G3 Strike's Ambidextrous Edge
All controls on the G3 are fully ambidextrous, which is a genuine advantage and not just a checkbox feature. The mag release, slide stop, and decocker safety all work equally well from either side. FMK's Fast Action trigger gives you a clean, short pull with a positive reset, and the drop-free magazine release keeps things moving efficiently. This is a proudly American-made pistol, built and assembled in the U.S., and it backs that up with a lifetime warranty from FMK Firearms.
Key Specifications
- Manufacturer: FMK Firearms
- MPN: G39BSTR
- UPC: 850979006943
- Caliber: 9mm
- Action: Striker-Fired Semi-Auto
- Barrel Length: 4.5 inches (Threaded)
- Capacity: 17+1
- Frame Material: Polymer
- Slide Material: Polished Stainless Steel
- Sights: Suppressor Height
- Safety: Decocker
- Controls: Ambidextrous
- Color: Black
- Country of Manufacture: USA
- Shipping Weight: 2.3 lbs
What’s Included
- FMK G3 Strike 9mm Pistol
- Strike Industries Compensator (factory mounted)
- Strike Industries Red Dot (factory installed)
- 17-round magazine
- 14-round magazine
Frequently Asked Questions
Does the FMK G3 Strike come with the red dot and compensator already installed?
Yes. This specific G39BSTR Strike package ships with a Strike Industries compensator threaded onto the barrel and a Strike Industries red dot already mounted to the optic-ready slide. The suppressor-height sights are also included and remain usable with the red dot in place, giving you a co-witness setup right out of the box.
What red dot optics are compatible with the FMK G3's optic-ready slide?
The G3 slide is milled to accept optics in the Trijicon RMR footprint with no adapter plates required. Compatible optics include the Burris Fastfire 3, Vortex Viper, Vortex Venom, Trijicon RMR, and Holosun models that share the RMR footprint. If you want to swap out the included Strike Industries red dot for a different optic, you have solid options to choose from.
Can I run a suppressor on the FMK G3 Strike?
The 4.5-inch barrel is threaded specifically to support suppressor attachment, and the included suppressor-height sights are tall enough to see over most standard cans. The compensator that ships on the gun is removable, so you can swap it out for a suppressor when needed.
Is the FMK G3 good for both right- and left-handed shooters?
All of the controls on the G3 are fully ambidextrous, including the magazine release, slide stop, and decocker safety. FMK designed the ergonomics to accommodate a wide range of hand sizes as well, so it works comfortably for left- and right-handed users without modification.
What magazines does the FMK G3 Strike come with?
The G39BSTR Strike package includes two magazines: one 17-round magazine and one 14-round magazine. The 17-rounder gives you a full-grip flush fit while the 14-round mag works as a compact backup option.
Where are FMK Firearms pistols made?
FMK Firearms pistols are 100% American made, built and assembled in the United States. FMK also backs their firearms with a lifetime warranty to the original purchaser, covering defects in materials and workmanship.





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