Why buy an HK and not use OEM mags. Just that If you are going to spend the extra money on an HK why cheap out on mags or ammo. YMMV.
Please email our customer service at [email protected] so we can troubleshoot. It’s weird the 30s are working and those aren’t. Don’t worry, we’ll figure it out.
I just ordered 3 of the 30 rounders for competition. If they work well it will be nice to only have to manage 3 magazines instead of 5 of the 20 rounders