Quote:
Originally Posted by Colohunter
Did you try the case coloring method? It could possibly be that the new barrel doesn't have as muh room in the neck and the brass is too thick and hanging up there. Have you tried talking to whoever made the barrel to check and see what they recomend or if they can tell you the dimensions of the barrel?
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This was my thought. I've heard some barrels require neck turning if you are forming from .223 brass. I think this is because the original dimentions were obtained from opening the necks on .221 Fireball brass, which leaves very thin necks compared to necking down .223 brass.