S1\'s Flash Hole Reamer Sam, Got the reamers today, very beautifully made units. Can't find the "ON" switch, tho. Interested to hear your opinion of reaming the primer pockets, worth doing? My RCBS rig came set a little too deep, primers end up sitting below flush and must be jumping back a bit upon ignition. Adjusted it up a bit but not sure I am doing any good.