I, am going to start reloading .223 and would like to know what powder, primer and 55gr bullet you perfer. I, will be shooting mostly at paper 25-100 yrds. want decent accurcy. The gun is an AR with 16" chrome lined barrel 1:7 twist. I, have been using Federal small pistol primers for my 9mm with no problems, how good are the Federal sm rifle primers.