i reload for a 300 win mag, and my brothers 300 H&H mag. i neck size only on both of them. the cases last longer doing that. my 300 win mag was so bad (3 loads and the neck would split) i started anealling at every reload! (winchester brass) if i wasnt so cheap, (or if i shot competitivly) i would try a batch of norma or nosler, but man are they expensive! mostly i target (plink) with it, so i do not want to spend 135 bucks for a bag of brass.