I have a small ton of that brass I've used over the years. I've been very happy with it. It's good quality and if prepped correctly, it lasts a long time and can be reloaded to a very accurate standard.
I have a highly tuned M1 Garand done by Hook Boutin (formerly of the 1950's Army Marksmanship Unit) and I often got 1" groups using that brass, Winchester primers, IMR4895 and 175 grain match bullets.
Regards,
Dave