I've used BR-2's in 7mm rem mags with good results, even in chilly temps. But, that was with rather substantial case fill of H1000 and Reloder 26, and Actually I prefer to use mag primers, they have got not been detrimental to receiving constant velocities, so it requires absent any https://z-ndh-tchen-large-pistol78323.anchor-blog.com/11849459/top-guidelines-of-cci-200-primers