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Backup SightsMid-Range

XS Sights

R3D 2.0 Suppressor Height Night Sights (FN 509)

Suppressor-height tritium night sights for the FN 509 series. Co-witness through any red dot mounted via the factory Low-Profile Optics Mounting System.

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Quick Specs

Price
$143
Weight
0.6 oz
Brand
XS Sights
Category
buis

Features

  • •Front height 0.397 in
  • •Rear height 0.445 in
  • •Tritium front and rear
  • •Photoluminescent front glow dot
  • •Black nitride steel

Capability Boosts

Low Light+2
CQB+1
Reliability+1

Recommended For

Home Defense+4
Duty/Patrol+3
Competition
Vehicle Operations
Range Training
Outdoor Defense

Compatibility Tags

family: handgunframe: fn-509

Pros

  • +Suppressor height co-witnesses through RMR, 507C, 509T, ACRO, and RMSc optics on the LPOM plate
  • +Photoluminescent glow-dot front charges under any ambient light for daylight pickup
  • +Larger rear tritium vials than the original R3D improve low-light alignment
  • +Black nitride finish resists corrosion from sweat and humid duty carry
  • +12-year tritium warranty backed by XS

Cons

  • −Taller than factory sights and prints more on deep IWB carry
  • −Glow-dot front is polarizing for shooters who want a clean post past 15 yards
  • −Priced well above the factory 509 Tactical suppressor-height set

Compatible Platforms

+75 more

SIG Sauer

SIG P320 Full Size

SIG Sauer

SIG P320 Compact

SIG Sauer

SIG P320 X-Carry

SIG Sauer

SIG P320 X-Five Legion

SIG Sauer

SIG P320 Spectre Comp

SIG Sauer

SIG P320 AXG Pro

Pairs Well With

Top matches

FN America

FN 509 Tactical

2 shared compatibility tags

Excellent

SIG Sauer

SIG P320 Full Size

1 shared compatibility tags

Excellent

SIG Sauer

SIG P320 Compact

1 shared compatibility tags

Excellent

SIG Sauer

SIG P365X

1 shared compatibility tags

Excellent

SIG Sauer

SIG P365 XL

1 shared compatibility tags

Excellent

SIG Sauer

SIG P365 XL Comp

1 shared compatibility tags

Excellent

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Browse all guides →Browse all articles →

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Add the R3D 2.0 Suppressor Height Night Sights (FN 509) to your build and see how it enhances your platform.

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