I have made use of BR-2's in 7mm rem mags with accomplishment, even in cold temps. But, which was with pretty large case fill of H1000 and Reloder 26, and Truthfully I choose to use mag primers, they have not been harmful to obtaining regular velocities, so it takes away https://zndhtchencci20991345.pointblog.net/details-fiction-and-cci-250-zündhütchen-73977560