I'd do it for a very close friend of many years just like one did for me before I got all the equipment and started doing it myself. In those instances an FFL IS NOT required and the individual is taking the chance that nothing adverse will occur.
It is required if the person engages in the business of selling or distributing reloads for the purpose of livelihood and profit. See:

[18 U.S.C. 922(a) (i) and 923(a), 27 CFR 478.41]