Originally Posted by e-luder
lubing your hop up will negate the hop unit's ability to spin the bb causing eratic accuracy and at times loss of power and range. if the hop up bucking gets slippery, it cant "hold" the bbs enough to impart the spin it needs to create the range and flight trajectory of the bb that you want to have. as an added bonus, it takes a while for the bucking to completely dry off the silicone.
if you want to lube your barrel, remove the inner barrel from the hop unit and swab it down with silicone oil.
This is why you shouldnt oil your bb's. Thanks for actually typing it out e-luder :P