FN 509C Magazine Adapter Sleeve for 9mm 17-Round Magazine Polymer Flat Dark Earth

Gun Parts Fn UPC 845737013493 SKU 285791

FN 509C Magazine Adapter Sleeve for 9mm 17-Round Magazine Polymer Flat Dark Earth
$13.99

Up 7.2% since Oct 30

at MidwayUSA ·

$21.99 shipped · $8 shipping, free over $100

Firearm Data Lab may earn a commission when you buy through this retailer link. Commissions never change a price or move a cheaper listing below a pricier one. When two retailers tie exactly, the one that pays us a commission is listed first.

Price history

Lowest seen
$13.05
Typical price
$13.99
Tracked since
Oct 20, 2026

This price is $0.94 above the 25-day low and about typical.

Embed this chart

A live price-history image, updated as we track new prices. Paste the snippet that matches where you're posting.