I'm member of other site read down to the post # 6 here is part of it.
I remember that in the early 90's, Mid Tompkins did some weight checking on the Palma brass that Winchester made. I believe that Bob Jensen loaded the ammo, which seem to shoot very well. I forget the precise weights, but Mid said it was the most uniform brass by weight that he had ever seen, and I think Mid knew about that sort of thing
http://www.usrifleteams.com/lrforum/...howtopic=14552 this is pretty good site get some first hand information from some team members
http://www.usrifleteams.com/
Here something on the new bullet since Sierra isn't the only bullet now
http://www.usrifleteams.com/lrforum/...howtopic=14797