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Rifles, Reloading, Optics, Equipment
Reloading
Cases seems to grow too much
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<blockquote data-quote="Tac-O" data-source="post: 2722487" data-attributes="member: 109994"><p>I'm shooting a 30-284AI and it seems I'm getting 0.004-0.005 of case length growth each firing. I'm not sure why. From what I've heard it should be almost nothing with an AI cartridge. </p><p></p><p>On the last round, I measured the brass before loading at 2.162. after firing, most were around 2.164-2.165. After sizing, they're 2.166-2.167. </p><p></p><p>This brass is on its 7th reload. I only bump the shoulder 0.003 when sizing. Chamber neck is 0.342 and loaded cartridge neck is 0.338. Sized shoulder diameter is 0.482 and fired is 0.486. My standard load is 1 grain under where I started seeing some ejector marks when pressure testing. </p><p></p><p>Any ideas?</p></blockquote><p></p>
[QUOTE="Tac-O, post: 2722487, member: 109994"] I'm shooting a 30-284AI and it seems I'm getting 0.004-0.005 of case length growth each firing. I'm not sure why. From what I've heard it should be almost nothing with an AI cartridge. On the last round, I measured the brass before loading at 2.162. after firing, most were around 2.164-2.165. After sizing, they're 2.166-2.167. This brass is on its 7th reload. I only bump the shoulder 0.003 when sizing. Chamber neck is 0.342 and loaded cartridge neck is 0.338. Sized shoulder diameter is 0.482 and fired is 0.486. My standard load is 1 grain under where I started seeing some ejector marks when pressure testing. Any ideas? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Cases seems to grow too much
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