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Rifles, Reloading, Optics, Equipment
Reloading
Need small rifle primer advice .
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<blockquote data-quote="Hugnot" data-source="post: 2596338" data-attributes="member: 115658"><p>Small rifle primers appear to be more available now. I load 6mm & 6.5 Creedmoor using small primers. I load CCI 41's and AA4350, H4350, & SW4350 with good accuracy & consistency. The CCI 41's with Staball & Hunter (ball powders) did not group as well & I quit using CCI 41's with those powders.</p><p></p><p> I recently bought 1,000 Remington 7 1/2 primers and these produce good groups with every 6mm & 6.5mm Creedmore suitable powders. The Rem 7 1/2's appear to be hotter primers than CCI 450's & CCI 41's and the Rem 7 1/5's set off 40 grain plus charges of ball powder giving good groups with relatively small velocity spreads. Looks like Remington is back in the primer business.</p><p></p><p>The following info appears to be valid regarding Rem 7 1/2's. Page 2, fig. 2, table 1.</p><p>[URL unfurl="true"]https://arxiv.org/ftp/arxiv/papers/1203/1203.2701.pdf[/URL]</p><p></p><p>[ATTACH]386440[/ATTACH]</p><p></p><p>I plan to chrony 10 rounds each with CCI 41's & Rem 7 1/2's and run stats before producing a good size ammo run.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2596338, member: 115658"] Small rifle primers appear to be more available now. I load 6mm & 6.5 Creedmoor using small primers. I load CCI 41's and AA4350, H4350, & SW4350 with good accuracy & consistency. The CCI 41's with Staball & Hunter (ball powders) did not group as well & I quit using CCI 41's with those powders. I recently bought 1,000 Remington 7 1/2 primers and these produce good groups with every 6mm & 6.5mm Creedmore suitable powders. The Rem 7 1/2's appear to be hotter primers than CCI 450's & CCI 41's and the Rem 7 1/5's set off 40 grain plus charges of ball powder giving good groups with relatively small velocity spreads. Looks like Remington is back in the primer business. The following info appears to be valid regarding Rem 7 1/2's. Page 2, fig. 2, table 1. [URL unfurl="true"]https://arxiv.org/ftp/arxiv/papers/1203/1203.2701.pdf[/URL] [ATTACH alt="IMG_1702 (2).JPG"]386440[/ATTACH] I plan to chrony 10 rounds each with CCI 41's & Rem 7 1/2's and run stats before producing a good size ammo run. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Need small rifle primer advice .
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