I reload for an AR. I full length resize. I use mostly military 5.56 which is a pain to get ready. I check all brass for OAL and cut as needed. You have to lube the outside of the case. I use a lubed pad and lube every 4th round. I rub the case on the pad and use my fingers to wipe most of the lube onto the next case. NEVER get lube into the neck or you will bridge the powder. I have reloaded many thousands of cases with few problems. If you need help P.M. me and I will give you some pointers.

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Tom
NRA Pistol Inst