Ask the Community

Brandon, here's a link to a 15 round magazine that will fit your Glock 48 if interested ............... https://www.budsgunshop.com/product_info.php/products_id/714025797/promag+for+glock+48+9mm+15rd+blue+steel .............. and here's a link to a 30rd drum magazine.................. https://www.budsgunshop.com/product_info.php/products_id/125122/promag+drma35+for+glock+9mm+luger+43x+48+30rd+black+drum ................. I'm not finding any mag couplers for the g48 though. Hope this helps.

Brandon, an extended magazine may be a better solution until the aftermarket catches up with the G48 : https://shieldarms.com/s15-accessories

I'm not finding any couplers for you. They're are 15+ magazine capacities available though as mentioned below in the links.