I've applied BR-2's in 7mm rem mags with good results, even in chilly temps. But, which was with very high case fill of H1000 and Reloder 26, and honestly I choose to use mag primers, they've not been harmful to having steady velocities, so it's going to take away any https://cci-z-ndh-tchen39257.mybloglicious.com/52167106/an-unbiased-view-of-cci-250-large-rifle-magnum-primers