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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
243AI case splitting problem when fire forming
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<blockquote data-quote="LB" data-source="post: 35111" data-attributes="member: 2721"><p>The best and most efficient method I have used, to fireform new brass in an Ackley chamber is with a "loaner" rifle and a junk barrel, the chamber of which, cut with the same(!) reamer as your gun. Fast, and without any throat errosion (wear) on your premium barrel. The loads should be somewhat less than max, and the shoulders will be at least 80% formed. Anyway, works for me.</p><p></p><p>If you know how to check for incipient case head separation with a sharp wire, bent at 90º, that should tell you if your gunsmith is unfamiliar with this type of work. You can feel the developing crack just ahead of the web. If that's the situation, you are lucky not to be leaving the entire case body in the chamber as you extract the head.</p><p></p><p>You might want to seek an alternate craftsman, for an opinion.</p><p></p><p>Good hunting. LB</p></blockquote><p></p>
[QUOTE="LB, post: 35111, member: 2721"] The best and most efficient method I have used, to fireform new brass in an Ackley chamber is with a "loaner" rifle and a junk barrel, the chamber of which, cut with the same(!) reamer as your gun. Fast, and without any throat errosion (wear) on your premium barrel. The loads should be somewhat less than max, and the shoulders will be at least 80% formed. Anyway, works for me. If you know how to check for incipient case head separation with a sharp wire, bent at 90º, that should tell you if your gunsmith is unfamiliar with this type of work. You can feel the developing crack just ahead of the web. If that's the situation, you are lucky not to be leaving the entire case body in the chamber as you extract the head. You might want to seek an alternate craftsman, for an opinion. Good hunting. LB [/QUOTE]
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243AI case splitting problem when fire forming
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