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24% off

Price history at GrabAGun

$19$18Oct 2026Nov 2, 2026

Recorded at GrabAGun since Oct 9, 2026: low $18.39 (Oct 9, 2026), high $18.89 (Oct 31, 2026). Last checked Nov 1, 2026.

From the store's product feed and AvantLink's price records; feeds can lag the store's own site.

Product Description

Get the best deal on the Fab Defense 43-10 Magazine Extension FX-4310B Magazine Accessories at GrabAGun.com. Get the best deals on Magazine Accessories for sale online at GrabAGun! Fab Defense for sale online. Flat rate shipping on all guns and ammo with

FAB Defense Glock 43 +4 Magazine Extension Black

$18.89 $24.99 24% Discount
You save $6.10
In Stock at GrabAGun
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Product Details

Brand Fab Defense
MPN FX-4310B

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