The Apex +2 Magazine Extension replaces the factory floor plate on FN FNX-45 magazines, adding two rounds of capacity. It is machined from Type III black hardcoat aluminum and preserves last-round slide lock.

Features:

• Aluminum +2 base pad / magazine extension
• Replaces the factory floor plate
• Adds 2 rounds of capacity
• Type III black hardcoat aluminum finish
• Preserves last-round slide lock

Fits FN FNX-45 and FNX-45 Tactical magazines. FNX-45-specific; not for FNP or FNS magazines.