FN 509 4.5” Threaded Barrel by EFK – 9MM

$225.00

The finest, no frills, high performance 509 threaded barrel available.

Specs:

  • Thread Pitch: 1/2″x28
  • Twist Rate: 1:10
  • Material: 416R Stainless
  • Rifling: Button Cut Rifling
  • Polishing: Polished Chamber and Ramp
  • Finish: Black Nitride
  • Accepts: Ball, Hollow Point and Plus P Ammunition

In stock

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