FMK G3 Threaded Barrel Pistol | 9mm | 4.5 in. | 14 rd.

The FMK G3 is an optic-ready 9mm semi-automatic pistol with a 4.5-inch threaded barrel and factory Glock-compatible compensator sights. The slide is cut to accept Burris Fastfire 3, Vortex Viper, Vortex Venom, or Trijicon RMR footprints; a Vortex Venom pairs well as a compact red-dot option under $1,000. The pistol ships with a polished stainless steel threaded barrel, a Fast Action trigger mechanism, and a 14-round drop-free magazine for straightforward operation. Its redesigned metal slide stop and short trigger pull are intended to support confident follow-up shots in range and competition settings.

Product Specifications

• The manufacturer is FMK Firearms.
• The model is listed as the FMK G3 Threaded Barrel Pistol.
• The cartridge is 9mm.
• The barrel measures 4.5 inches and is threaded for muzzle devices.
• The standard magazine capacity is 14 rounds.
• The finish is described as Dark Grey.
• The pistol ships with Glock Comp Sights installed.
• The slide is optic-ready for Burris Fastfire 3, Vortex Viper, Vortex Venom, or Trijicon RMR footprints.
• The package includes a polished stainless steel barrel.
• The pistol uses a Fast Action trigger mechanism as described by the manufacturer.
• Includes a redesigned metal slide stop for improved handling as noted in the product description.
• Ships with a drop-free magazine.
• The product includes a threaded barrel for attaching approved muzzle devices.
• Category is listed as Semi Auto Handguns.
• UPC: 850979006318.

The FMK G3 pairs practical control features with an optic-ready platform; its threaded 4.5-inch barrel and Glock-compensator sights make it a capable option for shooters who value modularity and straightforward ergonomics. Whether used for regular range practice or action-style competition, this configuration offers a clear upgrade path for optics and muzzle devices. Its checklist of functional features keeps the focus on reliable operation and accessory compatibility.