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Rifles, Reloading, Optics, Equipment
Reloading
Headspace Variance
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<blockquote data-quote="coyotezapper" data-source="post: 402449" data-attributes="member: 20438"><p>+1 on brass variations and springback could be one or both. How are you loading your fireform loads?? I have fireformed a couple of Ackley cartridges and I use the heaviest bullet for caliber I can find and seat it on the lands and use the fastest powder that I can find data (parent cartridge) for, for that bullet. Faster powder and heavy bullets (more bearing surface) will create more pressure and give you better finished brass. I have had no problems in fireforming hundreds of cases using this method. And yes I have taken all critical measurements after fireforming and they have been almost perfect. Quality of brass does help. Steve Timm a former gunwriter for VHM helped me out on my first Ackley and I have been using this method ever since.</p></blockquote><p></p>
[QUOTE="coyotezapper, post: 402449, member: 20438"] +1 on brass variations and springback could be one or both. How are you loading your fireform loads?? I have fireformed a couple of Ackley cartridges and I use the heaviest bullet for caliber I can find and seat it on the lands and use the fastest powder that I can find data (parent cartridge) for, for that bullet. Faster powder and heavy bullets (more bearing surface) will create more pressure and give you better finished brass. I have had no problems in fireforming hundreds of cases using this method. And yes I have taken all critical measurements after fireforming and they have been almost perfect. Quality of brass does help. Steve Timm a former gunwriter for VHM helped me out on my first Ackley and I have been using this method ever since. [/QUOTE]
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Reloading
Headspace Variance
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