Hey all, I've got a new to me custom built LR-308. I'm the third owner and the second owner never fired the gun. It will fire the first round, eject, chamber a new round, hammer goes off but won't fire the second round. The primer is dented slightly but from what I understand that can be from just chambering the round. If I eject the unfired round and let it chamber another it will fire and then fail to fire the 2nd round. I've only shot about 30-40 rounds through it. Do I just need to oil it up and keep going or what kinds of things do I need to look at?