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FMK Firearms G3 9mm 4.5″ Threaded Barrel Pistol ODG 14rd

UPC: 850979006349

$328.99

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Description

FMK's G3 doesn't get talked about as much as the big names, but that's mostly because it flies under the radar. Built entirely in the USA, this compact 9mm packs in a surprising number of features that you typically have to spend considerably more to get elsewhere. The 4.5-inch threaded barrel is ready to run a suppressor or muzzle device right away, and the optics-ready slide is milled to accept Burris Fastfire 3, Vortex Viper, Vortex Venom, and Trijicon RMR footprints without needing an adapter plate in between. That's a legitimate time and money saver.

FMK G3 ODG: A Suppressor-Ready Platform That Doesn't Skip the Basics

Under the hood, FMK's Fast Action trigger gives you a short, crisp pull with a drop-free magazine release on the break. The polished stainless steel barrel, redesigned metal slide stop, and beveled magwell round out the practical upgrades that make this pistol feel more refined than its price tag suggests. The slide itself features front and rear serrations, giving you solid purchase whether you're running press checks or racking with gloves on.

The grip is where FMK puts a lot of thought in. The rubberized backstrap is designed to absorb recoil and actually conform to your hand rather than forcing your grip to adapt around it. Combined with the low bore axis, muzzle flip stays manageable, which matters when you're putting rounds downrange quickly. Ambidextrous controls make this accessible for left-handed shooters too, and the Picatinny accessory rail up front gives you room for a light or laser if you want it.

Built for the Range, Ready for the Field

The ODG polymer frame keeps the overall weight reasonable at about 23.45 oz, and the compact dimensions make it versatile enough for range training, home defense duty, or use as a suppressor host. The sight system is Glock-compatible, so swapping to your preferred aftermarket irons is straightforward. Fixed sights and a 14-round capacity round out a package that's genuinely ready to run the way it ships.

Key Specifications

  • Manufacturer: FMK Firearms
  • Model: Gen 3 (9C1-G3)
  • MPN: FMKG49TOD
  • UPC: 850979006349
  • Caliber: 9mm Luger
  • Action: Striker-Fired, Semi-Auto
  • Barrel Length: 4.5" Threaded
  • Barrel Material: Polished Stainless Steel
  • Slide Material: High-Carbon Steel
  • Frame Material: Polymer
  • Color / Finish: Olive Drab Green
  • Magazine Capacity: 14 Rounds
  • Overall Length: 6.85"
  • Weight: 23.45 oz
  • Sights: Fixed Sights (Glock-Compatible)
  • Safety: Decocker
  • Optics Compatibility: Burris Fastfire 3, Vortex Viper, Vortex Venom, Trijicon RMR (no mounting plate required)
  • Country of Manufacture: USA

What’s Included

  • FMK G3 9mm Pistol (ODG)
  • 1 x 14-Round Magazine

Frequently Asked Questions

Does the FMK G3 ODG come ready to mount a suppressor?

Yes, the 4.5-inch barrel on this model is threaded from the factory, so you can attach a suppressor or muzzle device without any additional gunsmithing. Just make sure whatever you attach is compatible with the thread pitch on the barrel. It's one of the main reasons people gravitate toward this specific configuration over the standard-barrel G3.

What optics will fit on the FMK G3 slide without an adapter plate?

The G3 slide is milled to directly accept the Burris Fastfire 3, Vortex Viper, Vortex Venom, and Trijicon RMR footprints. No mounting plates or adapters are needed, which is a real convenience compared to pistols that require you to source and install a separate plate. If your red-dot uses one of those footprints, it should drop right on.

What is the Fast Action trigger on the FMK G3?

FMK's Fast Action Trigger (sometimes called the FAT or 804 trigger) is a single-action style striker-fired trigger designed for a short, quick pull with a clean break and a drop-free magazine release. It's one of the standout features of the G3 compared to earlier FMK generations, which had longer double-action style pulls. Most people find it noticeably crisper right out of the box.

How does the FMK G3 grip feel in the hand?

FMK put real thought into the grip ergonomics on the G3. The rubberized backstrap is designed to reduce felt recoil and contour to your hand rather than requiring you to adjust your grip around it. Combined with a low bore axis and an undercut trigger guard, the pistol sits comfortably low in the hand, which helps control muzzle rise during follow-up shots. It's ergonomically designed to fit both large and small hands.

Are the sights on the FMK G3 upgradeable?

Yes. The G3 uses a Glock-compatible sight system, which means a wide range of aftermarket iron sights will drop right in without needing custom fitting. Fixed sights come standard on this model, but swapping to suppressor-height sights or night sights is a straightforward upgrade if you plan to run a can.

Is the FMK G3 ambidextrous?

Yes, the G3 features ambidextrous controls, making it a comfortable option for left-handed shooters as well as right-handed ones. The decocker safety is included as the primary manual safety on this model. The accessory rail on the front of the frame also means you can run a light or laser regardless of which hand you shoot with.

Additional information

UPC

850979006349

Manufacturer

Manufacturer Part Number

FMKG49TOD

Model

Safety

Decocker

Sights

Fixed Sights

Product Type

Striker Fired

Caliber/Gauge

9mm

Capacity

14

Color

Olive Drab Green

Action

Barrel Length

4.5"

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