FN 20100375 509 Compact 12rd Extended Floorplate 9mm Luger Black Steel

Price History
FN 20100375 509 Compact 12rd Extended Floorplate 9mm Luger Black Steel

UPC 845737010331 from 55 retailers

  • 9mm
  • FN Herstal
Shipping:
FN 509C 9MM Mag 12RD BLK Pinky
$39.48/ct $39.48 Gun Wise
FN 509 Compact Magazine
Shipping $13 Free Shipping > $500
$44.08/ct $44.08 Axolotl Arms ★★★★★ (126)
Low cost shipping boost

UPC 845737010331 Price Graph

Today's low is $39.48/mag, 4% below the 180-day average low of $41.05/mag. Over the last 180 days, the lowest price peaked at $44.99/mag on April 27, 2026 and bottomed at $39.48/mag on September 6, 2026.

FN 509 Compact 9mm 12-Round Magazine (BLK)
$39.99/ct $39.99 GunMag Warehouse ★★★★★ (71)
MAGAZINE FN 509C 9MM 12RD BLK
Shipping $20
$44.99/ct $44.99 Custom Creatives Group ★★★★★ (24)
Factory FN FN509 Compact 9mm 12 Round Capacity Magazine Extended 509 20-100375 Online Only
New
$45.99/ct $45.99 GunPrime ★★★★★ (2,495)
MAG FN 509C 9MM 12RD BLK PINKY EXT
$45.99/ct $45.99 MCM Tactical ★★★★★ (60)
FN America FN 509 Compact Extended Floorplate Pistol Magazine 9mm Luger 12 Round Black 1 Pack Steel 12RD
Free Shipping
$49.99/ct $49.99 Optics Planet
FN 20100375 509 Compact 12rd Extended Floorplate 9mm Luger Black Steel
Shipping $10 Free Shipping > $100
$49.99/ct $49.99 Conkey's Outdoors ★★★★★ (175)
FN 509C 9mm 12-Round Factory Magazine, Black | MPN 20-100375
Shipping $10
$49.99/ct $49.99 Alexander's Store ★★★★★ (1,532)
FN 20100375 509 Compact 12rd Extended Floorplate 9mm Luger Black Steel
Shipping $11
$49.99/ct $49.99 Selway Armory ★★★★★ (186)

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MAG FN 509C 9MM 12RD BLK PINKY EXT
Shipping $14 Free Shipping > $500 CC Fee 3%
$49.99/ct $49.99 Minutemen Defense ★★★★★ (54)
MAGAZINE FN 509C 9MM 12RD BLK
Shipping $15 Free Shipping > $500
$49.99/ct $49.99 Kinetic Armory ★★★★★ (3)
FN 20100375 509 Compact 12rd Extended Floorplate 9mm Luger Black Steel
Shipping $15 Free Shipping > $149
$49.99/ct $49.99 Extreme Products ★★★★★ (83)
FN MAGAZINE FN 509C 9MM 12RD - BLACK EXT FLOORPLATE
Shipping $15 Free Shipping > $500
$49.99/ct $49.99 Garrison's Guns ★★★★★ (21)
FN 509C 9mm Luger 12 Round Magazine
Shipping $16
$49.99/ct $49.99 Caliber Depot ★★★★★ (6)
MAG FN 509C 9MM 12RD BLK PINKY EXT
Shipping $18
$49.99/ct $49.99 Sharp's Shooting Supply ★★★★★ (34)
FN 509C Handgun Magazine Black with Pinky Extension 9mm Luger 12/rd
Shipping $19 Free Shipping > $750
$49.99/ct $49.99 Riddle Firearms
FN MAGAZINE FN 509C 9MM 12RD - BLACK EXT FLOORPLATE
Shipping $20
$49.99/ct $49.99 Down Range Firearms ★★★★★ (8)
MAGAZINE FN 509C 9MM 12RD BLK
Shipping $20 Free Shipping > $1,000
$49.99/ct $49.99 Dave's Guns ★★★★★ (28)
FN 509C Handgun Magazine Black with Pinky Extension 9mm Luger 12/rd
Shipping $20 Free Shipping > $1,000
$49.99/ct $49.99 Life2A ★★★★★ (3)
FN 509C Handgun Magazine Black with Pinky Extension 9mm Luger 12/rd
Shipping $20
$49.99/ct $49.99 JB Armament ★★★★★ (126)
FN 509C Handgun Magazine Black with Pinky Extension 9mm Luger 12/rd
Shipping $25 $25 Off Orders Over $200 Code LOCKNLOAD25
$49.99/ct $49.99 Scottsodg.com
MAGAZINE FN 509C 9MM 12RD BLK
Free Shipping > $250 $15 Off Orders Over $75 Code CALIBERKING
$49.99/ct $49.99 Brickhouse Firearms
MAG FN 509C 9MM 12RD BLK PINKY EXT
Free Shipping > $1,250
$49.99/ct $49.99 Nadir Solutions ★★★★★ (18)
FN MAGAZINE FN 509C 9MM 12RD - BLACK EXT FLOORPLATE
Free Shipping > $500
$49.99/ct $49.99 Timber Hole Outdoors ★★★★★ (5)
FN MAGAZINE FN 509C 9MM 12RD - BLACK EXT FLOORPLATE
Free Shipping > $900 CC Fee 3%
$49.99/ct $49.99 Armed in Michigan ★★★★★ (714)
Fn 509A(R)compact Magazines - Fn 509A(R) Compact Magazine 12rd Black
$49.99/ct $49.99 Brownells ★★★★★ (737)
FN 509~ COMPACT MAGAZINE 12RD BLACK
$49.99/ct $49.99 Allied Arms ★★★★★ (310)
FN 509 Compact Magazine
$49.99/ct $49.99 Pathfinder Militaria ★★★★★ (106)
MAGAZINE FN 509C 9MM 12RD BLK
$49.99/ct $49.99 The Arsenal Project ★★★★★ (16)
FN 509C Handgun Magazine Black with Pinky Extension 9mm Luger 12/rd
$49.99/ct $49.99 Precision Gunworks
FN MAGAZINE FN 509C 9MM 12RD - BLACK EXT FLOORPLATE
$49.99/ct $49.99 Patriotic Firearms
MAGAZINE FN 509C 9MM 12RD BLK
$49.99/ct $49.99 Get Guns N Ammo
MAG FN 509C 9MM 12RD BLK PINKY EXT
$49.99/ct $49.99 Highland Arms ★★★★★ (49)
FN 509C Handgun Magazine Black with Pinky Extension 9mm Luger 12/rd
$49.99/ct $49.99 Pickett's Mill Armory ★★★★★ (26)
FN 20100375 509 Compact 12rd Extended Floorplate 9mm Luger Black Steel
$49.99/ct $49.99 Tungsten Creek Tactical
MAG FN 509C 9MM 12RD BLK PINKY EXT
$49.99/ct $49.99 Black Bayou Armory ★★★★★ (83)
MAG FN 509C 9MM 12RD BLK PINKY EXT
$49.99/ct $49.99 Don's Weaponry ★★★★★ (252)
MAGAZINE FN 509C 9MM 12RD BLK
$49.99/ct $49.99 2 If By Sea Tactical ★★★★★ (135)
MAGAZINE FN 509C 9MM 12RD BLK
$49.99/ct $49.99 Big Bee Bee ★★★★★ (11)
MAG FN 509C 9MM 12RD BLK PINKY EXT
$49.99/ct $49.99 WTW Arms ★★★★★ (68)
MAGAZINE FN 509C 9MM 12RD BLK
$49.99/ct $49.99 Birmingham Hill Armory ★★★★★ (16)
MAG FN 509C 9MM 12RD BLK PINKY EXT
$49.99/ct $49.99 Ecommerce Arms
FN MAGAZINE FN 509C 9MM 12RD - BLACK EXT FLOORPLATE
$49.99/ct $49.99 EK Tactical ★★★★★ (10)
MAG FN 509C 9MM 12RD BLK PINKY EXT
CC Fee 3%
$49.99/ct $49.99 Cornerstone Arms ★★★★★ (373)
FN 509C Handgun Magazine Black with Pinky Extension 9mm Luger 12/rd
CC Fee 6%
$49.99/ct $49.99 All Things Firearm ★★★★★ (3)
FN 509C Handgun Magazine Black with Pinky Extension 9mm Luger 12/rd
$50.00/ct $50.00 Vital Defense ★★★★★ (14)
FN 509C 9mm 12rd Magazine - Black Extended Floorplate
$50.00/ct $50.00 Georgia Guns & Ammo ★★★★★ (2)
FN 509 Compact Magazine
$50.73/ct $50.73 Bulletproof Outfitters ★★★★★ (133)
FN 509 Compact 12rd Extended Floorplate 9mm Luger Steel Magazine
Free Shipping > $500
$50.91/ct $50.91 Shooting Surplus ★★★★★ (193)
FN 509C 9mm 12 Round Magazine With Extended Floorplate, Black - 20100375
$50.99/ct $50.99 Palmetto State Armory ★★★★★ (1,164)
FN MAGAZINE FN 509C 9MM 12RD - BLACK EXT FLOORPLATE
Free Shipping > $700
$51.65/ct $51.65 Freedom Firearms ★★★★★ (2)
FN 509C Handgun Magazine Black with Pinky Extension 9mm Luger 12/rd
$52.30/ct $52.30 Redsand Tactical
MAGAZINE FN 509C 9MM 12RD BLK
$53.20/ct $53.20 Firearms Express
FN MAGAZINE FN 509C 9MM 12RD - BLACK EXT FLOORPLATE
$53.99/ct $53.99 Coastal Firearms

UPC 845737010331 Price Graph

Today's low is $39.48/mag, 4% below the 180-day average low of $41.05/mag. Over the last 180 days, the lowest price peaked at $44.99/mag on April 27, 2026 and bottomed at $39.48/mag on September 6, 2026.

Daily Deals Email

Products at their 90-day low price.

Unsubscribe anytime with one click.

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