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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

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

Ruger

Ruger RXM

1 shared compatibility tags

CAA

CAA MCK for Glock

1 shared compatibility tags

CAA

CAA MCK for SIG P320

1 shared compatibility tags

Recover Tactical

Recover Tactical 20/20N

1 shared compatibility tags

FN America

FN 509 Tactical

2 shared compatibility tags

Palmetto State Armory

PSA PA-15 16" Carbine

Enhances home defense, range training, outdoor defense

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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.