FN 309 MRD NMS 9mm Optics-Ready 20rd Pistol W/ 3.8” Barrel

Overview

The FN 309 MRD NMS is a modern high-capacity defensive pistol engineered for reliable everyday carry, fast target acquisition, and smooth shooting performance. Featuring an internal hammer-fired single-action-only trigger system, optics-ready slide, and easy-to-rack design, the FN 309 delivers confidence-inspiring handling with FN’s renowned durability and precision. Designed without a manual safety, the NMS configuration provides streamlined defensive readiness while maintaining multiple redundant internal safety systems.

Key Features

• Optics-ready slide compatible with Leupold DeltaPoint Pro and Shield RMS footprint red dots (optic not included)
• Internal hammer-fired SAO trigger with crisp ~5 lb. trigger pull
• Non-manual safety (NMS) configuration with multiple internal safeties
• 3.8” alloy steel barrel with recessed target crown
• Easy-to-rack slide with approximately 25% less resistance than the FN 509 Tactical
• Includes one 16-round magazine and one 20-round extended magazine
• Fiber-optic front sight with white accent U-notch rear sight
• Accessory rail compatible with Streamlight TLR-7 and other compact weapon lights
• Reversible magazine release for left- or right-handed shooters
• Easy-loading magazines with reduced spring force for smoother loading

Specifications

• Brand: FN America
• Model: FN 309 MRD NMS
• Caliber: 9mm
• Action: Semi-Automatic, Single-Action Only
• Operation: Internal Hammer Fired
• Barrel Length: 3.8”
• Barrel Material: Alloy Steel
• Twist Rate: 1:10 RH
• Capacity: 16+1 / 20+1
• Overall Length: 7.4”
• Height: 5.4”
• Width: 1.26”
• Sight Radius: 6.3”
• Weight: 22.5 oz
• Sights: Fiber-Optic Front / U-Notch Rear
• Optic Footprint: DeltaPoint Pro & Shield RMS Compatible
• Frame Features: Accessory Rail, Reversible Magazine Release
• Safety: Multiple Internal Safeties, No Manual Safety
• Finish: Black
• MPN: 66-102366
• UPC: 845737020583

Applications

• Everyday concealed carry and personal defense
• Home defense setups with weapon-mounted lights or optics
• Range training and defensive shooting practice
• Shooters seeking a lightweight, optics-ready high-capacity pistol

Additional Features

• No trigger-pull takedown design for added safety during disassembly
• Shares dovetail compatibility with FN 509 aftermarket sight options
• Rounded rear sight profile reduces snagging during concealed carry
• Lightweight polymer-frame design balances concealability with shootability

Check out our special deals on 9mm Ammo.