From Tyrant Designs . . .
Welcome to the best AND easiest installing Sig Sauer P320 magazine extension on the market! Add 5 rounds to your factory mag in seconds with our magazine extension!
Utilizing the Tyrant CNC “NoBak” magazine extension technology, these Sig Sauer P320 magazine extensions are the fastest and easiest installing mag extension on the market. Drop your mags faster, and grab them easily with their 6000 series aluminum, CNC machined inlay.