pick up a blr 81 in 308 and seems to work fine, cycle the action and everything works as it should, but when shot it today, 10 rounds the first 3 ejected as they should but the last 7 I really had to almost used 2 hands to open the action, using federal 165 sierra gamekings, brass is chrome wonder if that has anything to do with it, also there seems to be a lot of oil in the action to