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IA Iron River Armory

FN 509 Compact 9mm 3.7″ Matte Black, 2 Mags

SKUCSSI|RJ66100815 Conditionnew CategorySemi Auto Handguns
$556.44
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About this product

The FN 509 Compact is a compact, striker-fired 9mm pistol built to deliver full-sized performance in a concealable package. It features a 3.7-inch cold hammer-forged barrel, matte black slide, and a shortened polymer grip with interchangeable backstraps for improved handling. Controls are fully ambidextrous and the sights are a low-profile rear with a high-visibility front dot. The pistol ships with two magazines and a soft pistol case.

Key Specifications

  • The caliber is 9mm.
  • The barrel measures 3.70 inches and is cold hammer-forged.
  • The rated capacity is 15 + 1.
  • The action is listed as Double Action Only.
  • The frame is constructed of polymer with interchangeable backstraps.
  • The barrel material/type is cold hammer-forged stainless steel.
  • The overall length is 6.80 inches.
  • The weight is 25.5 oz.
  • The sighting system is HiViz front and low-profile rear.
  • Ships with two magazines and a soft pistol case.

The FN 509 Compact balances concealability and capability for everyday carry and practical use. With durable construction, ergonomic texturing, and straightforward controls, it is suited for shooters who want a compact platform that retains the handling qualities of a larger pistol.

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Specs at a glance

FN 509 Compact 9mm 3.7″ Mat… SPECS AT A GLANCE 25.5 oz WEIGHT 9mm SIZE
Editorial diagram — measurements verified during testing.
Sources & methodology. Editorial review and rating by Travis Caldwell based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$556.44