Just got off the phone with Walther CS- the 18rd mag reliability problem I’m experiencing is a known issue with an engineered fix of new spring and follower, but no ETA on the new spring/follower and no wait list. I was told to call back on 5/25 to try to get on the list for the revised parts. Asked about additional mags and no ETA at all available. Apparently they’re having issues with supply from MecGar.