Quote:
Originally Posted by 44 AMP
I've converted a lot of 06 brass into 8mm Mauser and 7.7mm Jap. Never needed to ream, neck turn, or anneal. Never any problems. You're only changing things about 1/4".
You can do those things if you want, but if you don't need to, why bother??
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When the shoulder is moved back by 1/4" (is guffy still here?), brass flows from the old shoulder into the new neck, making the wall much thicker. It sometimes shows up as a step in the neck. You have never seen that? I do.
-TL
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