5 Best FN 509 Accessories

To enhance your factory handgun's shooting experience. Here are 5 best FN 509 accessories.  

These are firearm upgrade parts and accessories to improve your experience with the FN 509.  There are many, but this guide only selected a few trusted items that all FN 509 owners should try out.

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Apex Action Enhancement Trigger Full Kit

apex tactical fn 509 trigger enhancement

The Apex Action Enhancement Trigger is a quick and easy way to improve your factory FN 509's trigger system including LS Edge, Compact and Mid Size models. It reduces trigger pull weight to approx. 5.5 lbs featuring a flat trigger shoe design with trigger safety. It provides a smooth uptake and reset, reducing overall travel and reset distance.

This is by far the best best FN 509 trigger upgrade featuring direct drop-in trigger replacement, no fitting required.

After a short break-in period, your FN 509 will shoot much better than you could ever imagine. 

Streamlight TLR 1 HL

streamlight tlr 1 hl fde

The Streamlight TLR 1 HL light is a must have for a tactical home defense FN 509 handgun. The light is made with 6061 T6 aerospace aluminum with water sealed durability. 

The light can both illuminate CQB targets up to 50 yards before the beam fades off, the and the TLR 1 HL features a wider flood light for close up low light search.

Users of TLR 1 HL can:

  • Easy activation switch a single click (No hard press required)
  • Activate the strobe by double-tapping without mode switching
  • Use a light press for momentary illumination

It's effortless to activate the switch with just one finger, without needing to press hard.

During cold winter seasons, the TLR 1 HL switch becomes even easier to toggle when the user's hand may get very cold and stiff.

Holosun 507C ACSS

holosun 507c acss

The Holosun 507C red dot is one of the best FN accessories to get for casual plinkers and competition shooters.

For FN 509 users shooting with red dot sights. The Holosun 507C product line is very popular. It's much cheaper than the Trijicon RMR. The newest Holosun 507C ACSS red dot reticle allow the shooter to pick up the dot and acquire the dot much faster than a regular center dot reticle.

  • The 250 MOA outer circle ring helps re-centering the eye to the 10 MOA center chevron tip reticle for faster dot tracking without increasing window size

Mantis X10 Elite Trainer

The Mantis X10 Elite is also equipped with a mobile app that presents the data collected by the sensor in organized charts and tables. The app includes various courses, drills, and daily challenges that help improve different shooting skill sets. This feature is unique to the Mantis X10 Elite and is not found in traditional shot timers.

The device mounts on the M1913 bottom rail easily whenever you need to train.

We The People IWB Holster

We The People IWB Holster for FN 509 pistols is a comfortable and discreet solution designed specifically for your firearm. Constructed from durable Kydex material, this holster offers a slim profile, allowing for optimal concealment under various types of clothing.

Features of our FN 509 IWB Holsters include:

  • Adjustable Retention: Customize the tension to your personal comfort level.
  • Adjustable Ride and Cant: Provides maximum flexibility in terms of carry options.
  • Adjustable Clip: Offers up to 8 different positions for optimal placement.
  • Protective Sweat Guard: Minimizes contact between your gun and body, ensuring added comfort.
  • Secure Belt Clip: Facilitates clean and smooth draws, enhancing overall usability.
  • Red Dot Compatibility: Designed to accommodate standard pistol red dots for enhanced sighting capabilities.
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