I have used BR-2's in 7mm rem mags with achievements, even in cold temps. But, which was with fairly significant case fill of H1000 and Reloder 26, and honestly I choose to use mag primers, they have not been detrimental to finding reliable velocities, so it's going to take away https://devinxmzlw.blognody.com/32194024/federal-large-rifle-an-overview