0
0

FMK G3 9mm Pistol 4.5in Threaded Barrel Optic-Ready 14rd

UPC: 850979006295

$328.99

2 in stock

Online inventory may differ from in-store availability. 

Fast Shipping

Quick turnaround so you get your gear sooner.

Secure FFL-Friendly Checkout

Trusted checkout with industry-standard protection.

Family-Owned Business

Keeping Traditions Alive Since 1953

Secure Transactions provided with

Description

FMK has been quietly building a loyal following with their 9C1 platform, and the Gen 3 threaded barrel version is where that design really hits its stride as an all-in-one accessory-ready pistol. The 4.5-inch polished stainless steel barrel comes threaded from the factory, so you're not paying extra or waiting on a gunsmith to get it can-ready. The carbon steel slide is cut directly for optics, accepting the Burris Fastfire 3, Vortex Viper, Vortex Venom, and Trijicon RMR footprints without needing a separate mounting plate. That's a legitimately useful setup that a lot of pistols at this price point simply don't offer.

What Makes the FMK G3 Threaded Barrel Stand Out at the Range

The Fast Action trigger gives you a short, crisp pull with a drop-free magazine release that keeps things moving smoothly. The barrel is positioned low in the frame, which keeps the bore axis down and reduces muzzle flip more than you might expect for a compact pistol. FMK also built in a rubberized backstrap that actually does what it claims: it absorbs felt recoil and molds to your hand rather than forcing you to adapt your grip to the gun. Controls are fully ambidextrous, and the enlarged trigger guard with a beavertail cut lets you get a high, secure grip right out of the box.

FMK G3 Build Quality and Everyday Versatility

The frame is polymer with an aggressive texture and a built-in Picatinny rail up front for lights or lasers. Slide serrations run front and rear on the Gen 3, which is a nice upgrade over earlier versions and makes press-checks easy. FMK backs every pistol with a lifetime warranty, which says something about how much confidence they have in their own product. With 14 rounds on tap, fixed sights, ambidextrous decocker safety, and a threaded barrel that opens the door to suppressed shooting, this G3 covers a lot of bases in one package.

Key Specifications

  • Manufacturer: FMK Firearms
  • MPN: FMKG49TB
  • UPC: 850979006295
  • Model: 9C1 Gen 3 (G3)
  • Caliber: 9mm Luger
  • Action: Striker-Fired, Semi-Automatic
  • Barrel Length: 4.5 inches (Threaded)
  • Barrel Material: Polished Stainless Steel
  • Slide Material: Carbon Steel
  • Frame Material: Polymer
  • Magazine Capacity: 14 rounds
  • Safety: Ambidextrous Decocker
  • Sights: Fixed Sights
  • Optics Compatibility: Burris Fastfire 3, Vortex Viper, Vortex Venom, Trijicon RMR (no adapter plates required)
  • Overall Length: 6.85 inches
  • Height: 5.09 inches
  • Width: 1.14 inches
  • Weight: 23.45 oz
  • Rifling Twist: 1:16" Left Hand
  • Color: Black

What’s Included

  • FMK G3 9mm pistol with 4.5" threaded barrel
  • 1 x 14-round magazine

Frequently Asked Questions

What thread pitch is the FMK G3 threaded barrel?

The FMK G3 4.5-inch threaded barrel uses the standard 1/2×28 TPI thread pitch, which is the most common thread specification for 9mm pistol barrels in the United States. This means it's compatible with a wide range of suppressors and muzzle devices without needing a thread adapter. Just confirm your suppressor or device is rated for 1/2×28 before mounting.

Does the FMK G3 need a Nielsen device to run a suppressor?

Yes. Like most tilt-barrel, short-recoil operated pistols, the FMK G3 requires a Nielsen device (also called a recoil booster) when running a suppressor. The added weight of the suppressor on a tilt-barrel design will prevent the pistol from cycling reliably without one. Most quality 9mm pistol suppressors include a Nielsen device as standard equipment.

What optics fit directly on the FMK G3 slide without a mounting plate?

The G3's optic-ready slide is cut to accept the Burris Fastfire 3, Vortex Viper, Vortex Venom, and Trijicon RMR footprints without any separate mounting plates or adapters. This is a factory-milled cut, so the optic mounts directly and sits low on the slide for a more natural sight picture. If you're running a different optic, check the footprint compatibility before purchasing.

Are holsters easy to find for the FMK G3 with a threaded barrel?

Holster availability for the standard G3 is pretty solid, with options from makers like Comp-Tac, Safariland, LAG Tactical, and Blade-Tech supporting the 9C1 platform. The threaded barrel does add length beyond the standard muzzle, so you'll want to specifically look for holsters that accommodate a threaded barrel or have an open muzzle design. FMK also offers their own branded holster options.

What ammo does FMK recommend for the G3?

FMK recommends quality factory ammunition like Remington UMC and Speer Lawman 115-grain for their 9C1 pistols. Light reloads, steel-case Russian-made ammo, and Winchester white box have shown inconsistent results per FMK's own guidance. Stick with standard-pressure, quality brass-cased 9mm and the G3 should run reliably.

Is the FMK G3 made in the USA?

Yes, FMK Firearms is an American company and the G3 is proudly made in the United States. FMK also backs every pistol with a lifetime warranty for the original purchaser, covering defects in materials and workmanship. It's a solid value proposition when you factor in both the American-made build and that warranty coverage.

Additional information

UPC

850979006295

Manufacturer

Manufacturer Part Number

FMKG49TB

Action

Barrel Length

3.87"

Caliber/Gauge

9mm

Capacity

10 + 1

Color

Black

Model

Product Type

Striker Fired

Safety

Trigger

Sights

Fixed Sights

Slide Description

Serrated

Reviews

There are no reviews yet.

Be the first to review “FMK G3 9mm Pistol 4.5in Threaded Barrel Optic-Ready 14rd”