I use Lee dies the most and I've been using Mag Tech brass in my .454 Casull and .500 S.&W. MAG.,very good brass from what I've experienced-much better than the winchester brass I've been using in .44 mag,.357 mag,7mmT.C.U.I don't know if they make brass in the .475 but you can check at Midway.
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H.H.I.#8190 Colossians 1:17 And He is before all things,and by Him all things consist!