I've used BR-2's in 7mm rem mags with success, even in cold temps. But, which was with quite higher case fill of H1000 and Reloder 26, and Truthfully I prefer to use mag primers, they may have not been detrimental to receiving constant velocities, so it's going to take away https://deanrerbm.tblogz.com/zündhütchen-209-stärke-an-overview-45457321