I don’t think there is a great solution. Given the different lengths of the different glock mags, making it short allows all lengths but if it was longer some wouldn’t work. Also for the ban states that are limited to 10 round Mags, there is no need for additional length.
Sent from my iPad...
I love the idea of free transfers, and I'm looking forward to getting mine in a couple of days for the P238.
A $10 transfer may make more sense - enough to bring in some business and get your name out there (it's still a great deal), but also enough to at least start to cover your costs.
IMHO...