I understand your comments about safety. May I ask what made your rifle blow up? In my early and ignorant years reloading I accidentally assumed the powder left in my powder dumper was H4831 but in actuallity it was Varget. To make a long story short my loaded 25-06 cases were loaded 14 grains above max of Varget while thinking it was a stiff load of H4831. The first shot at the range left a sticky bolt, the second left a sticky bolt, and the third had blown the primer and forced the plunger into the bolt. Then it all dawned on me what had happened. It was a Rem 700 BDL and I have fired over 300 rounds (of safe loads) through it since with still excellent accuracy. Why wasn't their any damage to me or my rifle?