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Message: <blockquote data-quote="swampratt" data-source="post: 2701592" data-attributes="member: 15054">yes same brass from the same 100 count box, same bullets from same box. same primers from same box.I seated all bullets the same without moving the die. loaded the same day within minutes of each other never moved the scale.This was virgin Lapua brass , the only thing I did to the brass is run a nylon brush through the neck and load it.I will try once fired brass with the same loads and I will also try 2 other primers and see if this changes things.I have the brass ready.Once fired brass seats the bullet just ever so slightly easier and more consistent , the shoulder is also moved foreword more from the virgin brass and this will  change groups.The Virgin brass has a smaller neck ID than where it ends up after I size it, this will also change things.I like varget.. it works well in my 30-30 with plated and cast loads. and works good in the .308 and I have a bunch of it now so just need to find the ultimate sweet spot..</blockquote>