I have used BR-2's in 7mm rem mags with results, even in cold temps. But, that was with pretty substantial case fill of H1000 and Reloder 26, and Truthfully I choose to use mag primers, they've got not been harmful to obtaining reliable velocities, so it will take absent any https://z-ndh-tchen-cci-55004703.canariblogs.com/the-smart-trick-of-cci-550-that-no-one-is-discussing-46692158