The FN 309™ MRD delivers duty-grade performance in a compact, optics-ready package built for concealed carry, home defense, and range use. Featuring an internal hammer-fired, single-action-only trigger, the FN 309 provides a crisp, consistent trigger pull with a short, positive reset for faster follow-up shots and enhanced accuracy.
Designed around FN's innovative Low Profile Optics Mounting System (MRD), the 309 accepts many of today's most popular micro red dot optics while maintaining an exceptionally low mounting height for faster target acquisition. A cold hammer-forged 3.8-inch barrel, fiber optic front sight, and aggressive grip texture combine to deliver excellent control and confidence under any condition.
With a 16+1 flush-fit capacity and an included 20+1 extended magazine, the FN 309 offers the versatility of a compact carry pistol with the firepower of a full-size handgun. Add in the MIL-STD-1913 accessory rail, reversible magazine release, and FN's legendary reputation for reliability, and you have a pistol that's ready for everyday carry, personal protection, or duty use right out of the box.
Key Features
- Internal Hammer-Fired Single-Action (SAO) Trigger delivers a crisp break and short reset
- FN Low Profile Optics Mounting System (MRD) supports numerous popular micro red dot optics without adapter plates
- Cold Hammer-Forged 3.8" Barrel built for exceptional durability and long-term accuracy
- 16+1 Flush-Fit Capacity with an included 20+1 Extended Magazine
- Fiber Optic Front Sight for rapid target acquisition
- Rounded U-Notch Rear Sight promotes fast sight alignment
- Aggressive Polymer Grip Texture provides a secure hold in any environment
- MIL-STD-1913 Picatinny Accessory Rail for weapon lights and lasers
- Reversible Magazine Release for right- or left-handed operation
- Compact Size with Full-Size Performance
- Made in the USA
Important Specs
- Manufacturer: FN America
- Model: FN 309™ MRD
- Manufacturer SKU: 66-102366
- UPC: 845737020583
- Caliber: 9mm Luger
- Action: Single-Action Only (Internal Hammer Fired)
- Capacity: 16+1 (Flush-Fit Magazine) / 20+1 (Extended Magazine Included)
- Barrel Length: 3.8"
- Overall Length: 7.4"
- Overall Height: 5.3"
- Overall Width: 1.35"
- Weight: 22.5 oz
- Frame Material: Polymer
- Frame Color: Black
- Slide Finish: Black PVD
- Barrel Material: Cold Hammer-Forged Steel
- Twist Rate: 1:10 RH
- Sights: Fiber Optic Front / Rounded U-Notch Rear
- Optics Ready: Yes – FN Low Profile Optics Mounting System
- Accessory Rail: MIL-STD-1913 Picatinny
- Magazine Release: Reversible
- Country of Origin: USA
What Comes in the Box
- FN 309™ MRD 9mm Pistol
- (1) 16-Round Magazine
- (1) 20-Round Extended Magazine
- FN Low Profile Optics Mounting System Hardware
- Interchangeable Backstraps
- Cable Lock
- Owner's Manual
- FN Factory Hard Case