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Arms Republic 9mm Compensator for FN 509 on a FN

AI illustration of a similar part on the gun.

FN · Compensator

Arms Republic 9mm Compensator for FN 509

$60

Build with this part

Opens the builder with this part fitted. Other parts change only if they have to.

Specs

Calibers9mm
Thread1/2x28
FitsFN 509 Tactical

Pros and cons

Pros
  • Low cost
  • 6061 aluminum
  • Made for the full-size 509
Cons
  • Needs a 1/2x28 threaded barrel

Works with

Works with: 9mm.

Other compensator options