Just bought an L57 in .308. Barrel is not a Sako barrel. Gunsmith checked headspace and it is fine. When lifting up the bolt handle - no shell in chamber- bolt handle seems to be harder to lift than it should. Once up bolt moves back and forth very easily in receiver. Also the safety does not seem to work. You cannot move it rearward. Gunsmith took the bolt apart and visually inspected parts. Nothing obvious wrong. Any ideas on why the bolt handle is hard to lift and safety does not work?