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The Basics, Starting Out
First time Fire Forming to Ackley
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<blockquote data-quote="SSTX" data-source="post: 711134" data-attributes="member: 56302"><p>With my old .257AI, I simply followed Ackley's original recommendation of a "starting" charge of a quick-burning powder, and at least 100gr bullets for fireforming (I used 100gr Ballistic Tips - later 117gr Sierra's - and the starting charge of IMR3031 in the Nosler manual, bullets in contact with the lands). I used Remington brass, and never had a problem fireforming that way, over the course of several hundred rounds. I'm thinking the lighter bullets may have had something to do with your initial results. I bought a separate Redding neck-sizing die, and only full-length resized every third firing. </p><p> </p><p>SSTX</p></blockquote><p></p>
[QUOTE="SSTX, post: 711134, member: 56302"] With my old .257AI, I simply followed Ackley's original recommendation of a "starting" charge of a quick-burning powder, and at least 100gr bullets for fireforming (I used 100gr Ballistic Tips - later 117gr Sierra's - and the starting charge of IMR3031 in the Nosler manual, bullets in contact with the lands). I used Remington brass, and never had a problem fireforming that way, over the course of several hundred rounds. I'm thinking the lighter bullets may have had something to do with your initial results. I bought a separate Redding neck-sizing die, and only full-length resized every third firing. SSTX [/QUOTE]
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First time Fire Forming to Ackley
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