The FAB Defense Magazine Extension (MPN FX4310GR) adds 4 rounds of capacity to a Glock 43 magazine.

Key Specifications

• Adds 4 rounds of extra capacity to a Glock 43 magazine.
• Sold as a standalone base pad extension, not a complete magazine.
• Manufactured by FAB Defense.
• Part of FAB Defense’s magazine accessory lineup.
• Installs on your existing Glock 43 magazine without gunsmithing.

Frequently Asked Questions

What pistol does this fit? It’s built for the Glock 43 magazine.

Does this include a magazine? No, it’s an extension for your existing Glock 43 magazine.

Buy the FAB Defense Glock 43 Magazine Extension

Shop it directly from FAB Defense, or browse the full Magazine Accessories selection at Schaefer Defense.