I bought three RCBS powder throwers that were previously covered in oil from being stored improperly with gun cleaning and lubrication supplies. I cleaned them up but the cylinder assembly does not move as freely as I would like. I went to a local gun shop and asked what they recommended and they told me to use a lithium based lube but I also see that a dry graphite lube is probably the best option, which is what I am leaning towards. Any recommendations as to what brand of dry graphite lube I should get?