Regarding shipping, I generated my call tag, but the application didn allow me to print off a shipping label. How will UPS know where to ship my pistol?
Once the call tag is generated, the UPS driver will show up the next business day for pick up. The UPS driver will have the shipping label, affix it to your package and provide you with a receipt. So all you need to do is generate the call tag and have your pistol packaged and ready for pick up. You can learn more details here.