I've utilized BR-two's in 7mm rem mags with achievement, even in chilly temps. But, which was with quite high circumstance fill of H1000 and Reloder 26, and honestly I prefer to use mag primers, they have not been detrimental to receiving consistent velocities, so it will take away any stress https://z-ndh-tchen-small-pistol30630.suomiblog.com/an-unbiased-view-of-federal-210-large-rifle-gold-medal-zündhütchen-47261365