Hi guys this is my problem. I have reloaded for this rifle for a short time {Norinco AR 15} no problems. I have a single stage Lee O press and a Lyman Spartans single stage. Hornady new dimension dies { bought used} RCBS shell holder. I bought a new Remington 700 SPS varmit. Shot some factory rounds, went home and made up some cartridges and then it started. Bolt would not close on almost all the rounds i made. So i go to the local gun shop showed them the cartridges and they would not work in the guns at the store. He said i did not resize the case completely. So home i go, now i check and adjust the shell holder so it touches the die. Grab some cases lube resize, check overall lenght ok specs are 1.760 max. Now just the case it self in the gun will not allow the bolt to close. So down to the club shoot 20 factory rounds. Come home try the brass in the gun before resizing they fit ok. I resize 1 case complete works in rifle, i lube every 2nd case 2nd case bolt is tight to close { case looks fine}. AHHH so i lube every one. Now too much lube i have small dents on the neck of the case. The brass is once fired Remington, the others is stuff i have reloaded before. The cartridges i load are not too hot, powder IMR 4320 24 grs at 2800 fps. WTF is going on? Befoe the Remington i would have shot all of it. I did not change my procedure. Now i,m a little worried about shooting it in th AR. My question is help what have i done wrong am i over looking something? Should i buy a new die set, are Remington chambers tight but ok in a AR ? I know it is hard to give exact advice on what i have said. I have a Hornady manual, just bought neck size die for Remington rifle. My concern is for the AR and me. I would appreciate any hep thanks AGE