I would like to get rid of some bullets that I am no longer using and wanted to get some feedback on the best way to ship before I make a FS post. It is a box of Berger projectiles still in the box. I noticed some people take the bullets out of the box and put them in a bag before sending flat rate...is this necessary? What is everyone's preferred method to ship bullets? USPS / FEDEX or UPS? Thanks in advance!