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Fab Defense Glock 42 Compatible Magazine Extension .380 ACP 4-Rounds by Fab Defense -

Price history at GrabAGun

Recorded at GrabAGun since Oct 9, 2026: low $20.89 (Oct 9, 2026), high $21.49 (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 Glock 42 Compatible Magazine Extension FX-4210B .380 ACP 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

Fab Defense Glock 42 Compatible Magazine Extension .380 ACP 4-Rounds

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$21.49

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Product Details

Brand Fab Defense

MPN FX-4210B

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