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FN America

FN 509 Factory 24-Round Magazine Kit

OEM factory 24-round FN 509 magazine with three interchangeable grip extensions (Compact, Midsize, Full-Size). The standard extended mag for the 509 Tactical.

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Quick Specs

Price
$60
Weight
4.7 oz
Brand
FN America
Category
magazine

Features

  • 24 rounds
  • 9mm
  • Steel body with polymer base
  • Three grip extensions (Compact, Midsize, Full-Size)
  • Orange polymer follower

Capability Boosts

CQB+2
Reliability+1

Recommended For

Home Defense+3
Competition+2
Vehicle Operations+2
Range Training+2
Duty/Patrol
Outdoor Defense

Compatibility Tags

family: handgunframe: fn-509

Pros

  • +Factory FN reliability with no break-in feeding concerns
  • +Includes three grip sleeves so one mag works across Compact, Midsize, and Tactical
  • +Threaded-barrel Tactical ships with two 24-round mags; this is the direct spare
  • +Numbered witness holes for fast round-count checks

Cons

  • Noticeable protrusion below grip even with sleeve installed
  • Polymer extension spacer slightly longer than aftermarket +5 options
  • Pricier per round than Glock OEM mags

Compatible Platforms

+75 more

Pairs Well With

Top matches

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Build Your Custom Configuration

Add the FN 509 Factory 24-Round Magazine Kit to your build and see how it enhances your platform.

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