TangoDown released +2 extension for Glock 43, designed by Vickers Tactical. This extension has floorplate, floorplate retainer, stainless steel spring.
Link:
https://tangodown.com/shop/vickers-tactical-2-magazine-extension-for-the-glock-43-vtmfp-006-43/
Price: $9.75
From: Tango Down