I've made use of BR-2's in 7mm rem mags with good results, even in chilly temps. But, that was with really large scenario fill of H1000 and Reloder 26, and Truthfully I choose to use mag primers, they have not been detrimental to receiving dependable velocities, so it will take https://juliuskmnnk.shoutmyblog.com/30938254/the-smart-trick-of-federal-205-that-no-one-is-discussing