I have used BR-2's in 7mm rem mags with good results, even in cold temps. But, which was with really superior scenario fill of H1000 and Reloder 26, and Truthfully I prefer to use mag primers, they have not been detrimental to getting regular velocities, so it's going to take https://martincbtgr.kylieblog.com/32069827/fascination-about-federal-215-large-rifle-magnum