Forums › Forums › Reloading 101 › Question on brass and primers Reloading 101 Question on brass and primers Posted by Sidewinder on August 26, 2012 at 2:26 pm Does anyone use mag primers in light to medium loads in 22-250? Another question, has anyone loaded new brass without resizing first? Just wondering what problems could arise from either of these. Tozguy replied 10 years, 5 months ago 2 Members · 1 Reply 1 Reply Question on brass and primers Tozguy updated 10 years, 5 months ago 2Members · 1 Reply Reloading 101 Tozguy Member August 26, 2012 at 11:14 pm 1 Bullseye I load fresh Lapua brass without sizing first. I will run an expander through the necks if they are out of round. Log in to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me Original Post 0 of 0 posts June 2018 Now