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Rifles, Reloading, Optics, Equipment
Reloading
Fireforming cases - recommendations wanted
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<blockquote data-quote="P7M13" data-source="post: 1919267" data-attributes="member: 94154"><p>Yes and no.</p><p>Powder used was AA #2 because it flows so easily. Measured to top of case, 44.7gr on my scale.</p><p>10% of that is paltry, and I knew it wouldn't do crud for me. Dug deep into the junk pile and pulled out a Lee dipper. 7.5gr of #2. Figured I'd start with that. Then thought, what if... and started incrementing the charges. </p><p>Don't have COW (haven't eaten that rubbish in >40 years). Thought about other grains, wound up using Kapok. </p><p>The disadvantage to Kapok is it's a real PITA to stuff into the case, but it does make a good packing. I've used polyester for light loads in the past, and that does melt in the firing.</p><p>In answer to [USER=109136]@Randy Tidwell[/USER], Kapok didn't leave any crud in the barrel, and nothing inside the cases. But, heck, only seven of twenty fired. </p><p>So, I haven't figured out the best charge yet, and have tabled the testing to get some work done.</p><p>I also figured, the barrel on the 721 is junk, so I will use that as a donor barrel and do a full size on the formed cases.</p><p>I'll keep my eye out for a Rem take-off sporter barrel in 6.5 and convert that - keeping the 721 as a beater.</p><p>[USER=103919]@TRG65[/USER] , is the 6.5 Addiction blown out to 35° shoulders? What powder do you use for accuracy loads? I'm testing RL22, but was also looking at RL26, N165, & PP4000MR.</p><p>On an aside, burn rate charts list RL26 as being slower than Retumbo, but my tests suggest it's between N165 and Retumbo, with a higher charge density.</p></blockquote><p></p>
[QUOTE="P7M13, post: 1919267, member: 94154"] Yes and no. Powder used was AA #2 because it flows so easily. Measured to top of case, 44.7gr on my scale. 10% of that is paltry, and I knew it wouldn't do crud for me. Dug deep into the junk pile and pulled out a Lee dipper. 7.5gr of #2. Figured I'd start with that. Then thought, what if... and started incrementing the charges. Don't have COW (haven't eaten that rubbish in >40 years). Thought about other grains, wound up using Kapok. The disadvantage to Kapok is it's a real PITA to stuff into the case, but it does make a good packing. I've used polyester for light loads in the past, and that does melt in the firing. In answer to [USER=109136]@Randy Tidwell[/USER], Kapok didn't leave any crud in the barrel, and nothing inside the cases. But, heck, only seven of twenty fired. So, I haven't figured out the best charge yet, and have tabled the testing to get some work done. I also figured, the barrel on the 721 is junk, so I will use that as a donor barrel and do a full size on the formed cases. I'll keep my eye out for a Rem take-off sporter barrel in 6.5 and convert that - keeping the 721 as a beater. [USER=103919]@TRG65[/USER] , is the 6.5 Addiction blown out to 35° shoulders? What powder do you use for accuracy loads? I'm testing RL22, but was also looking at RL26, N165, & PP4000MR. On an aside, burn rate charts list RL26 as being slower than Retumbo, but my tests suggest it's between N165 and Retumbo, with a higher charge density. [/QUOTE]
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Fireforming cases - recommendations wanted
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