MTM case fashion minus the continuous buying of plastic cases.
You, do know, they can be re-used, right?

I use the MTM cases, 1 big 100 for each rifle calibre, and a whole bunch for the pistol calibres. Although, it is a bit of a pain, if I hadn't already bought the ones for 45acp, I'd just dump them into ammo cans. I think each 50cal ammo can holds 6-45acp, and 1-44mag, so one good day at the range. If I just dumped loose rounds in the can, probably be over 1000 rounds 45acp, I'm sure someone here knows for sure.