The extended magazine releases from ZR utilize the OEM Walther release that we have machined to accept an M3 screw.  Their extended buttons are machined from 6061 aluminum and attached at the angle you choose by simply tightening it down with a T10 wrench.

For our international ZR customers: for now, our main payment option is PayPal. Simply proceede through checkout and we will send you a PayPal request along with your invoice. If any question should arise, pleae send us an email to order@karlolsson.se and we will assist you. We ship within EU + Norway.