I've made use of BR-2's in 7mm rem mags with achievements, even in cold temps. But, that was with very high scenario fill of H1000 and Reloder 26, and Actually I choose to use mag primers, they may have not been detrimental to acquiring reliable velocities, so it's going to https://knoxvjvpg.ageeksblog.com/30719018/the-single-best-strategy-to-use-for-large-rifle-magnum-zündhütchen