I've used BR-two's in 7mm rem mags with achievements, even in cold temps. But, that was with pretty significant scenario fill of H1000 and Reloder 26, and honestly I prefer to use mag primers, they may have not been harmful to having dependable velocities, so it will take away any https://z-ndh-tchen-small-pistol57890.pointblog.net/helping-the-others-realize-the-advantages-of-cci-250-magnum-73977517