FAB Defense FX-4310GR Magazine Extension for Glock 43 +4

Gun Parts Glock UPC 7290111587283

$5.13

at Optics Planet · checked 2 hours ago

Shipping calculated in cart · free over $49

6 retailers · $5.13 to $18.99 in stock

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Lowest price across retailers each day.

Lowest seen: $5.13
Typical price: $15.95
Tracked since: Jul 14, 2026

Today's best price matches the 122-day low and is 68% below typical.

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