I've expirenced a complete stoppage with Magtech 308 win. 150 gr purchased on the cheap at Cabelas. Bolt was jammed up so bad I almost had to take a rubber mallet to it to extract round. That was in my Saiga 308. Then picked up my DPMS 308 panther and with the same ammo had the same malfunction. I am wondering if anyone else has had problems with the magtech 308 ammo? I have previous used Federal 150 grain to sight in scopes on both rifles and had no malfuction.