You have no items in your shopping cart.

Magazine Extensions

Shield Arms magazine extensions for Glock, CZ, and SIG pistols. Buy 3 or more extensions and save 10% with the discount code 3PACK.

Please check your state and local laws regarding magazine capacity restrictions.

View as Grid List
Sort by
Display per page
Picture of Glock 19/23 Replacement Spring

Glock 19/23 Replacement Spring

Glock 19/23 replacement spring for the Shield Arms +5 mag extension.
Glock 43X/48 +0 Base Pad

Glock 43X/48 +0 Base Pad

Replacement +0 base pad for the Glock 43X and Glock 48.
Flag Cerakote Mag Extension

Custom Cerakote Mag Extension

Shield Arms +5/+4 custom cerakote magazine extension for Glock and CZ.
Laser Engraved Mag Extension

Laser Engraved 3 Pack

A 3 pack of Shield Arms mag extensions with custom laser engraving on the front and/or the floor plate.
Picture of G48/43x +10% Spring

G48/43x +10% Spring

Plus power spring for your Glock 48/43x.

Filter by:

Clear All