Designed and developed by ZRTS, these basepads add 10rds to your magazine capacity giving you a maximum of 40+1 in the 9mm SIG MPX. Our basepads add 10 rounds to any length mag. Turns a 20rd into a 30! 10 into a 20, 30 into a 40! The basepads are easily removed in the field without tools for cleaning, breakdown, etc. ZRTS Basepads are machined from 6061 aluminum and anodized black.
These extensions work with GEN 1 and GEN 2 mags and guns.
Bottom is machined out for our grit tape numbers. Black color is anodized.