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Rifles, Reloading, Optics, Equipment
Reloading
I can’t figure this out
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<blockquote data-quote="Ozzie" data-source="post: 1443807" data-attributes="member: 16710"><p>Glad to hear you're having this trouble because I am too, although yours appears far worse. I'm shooting a .264 Win Mag through a Sako 75 action with a Pac-Nor Supermatch barrel, 8-twist, 26 inches long, 150 rounds through it, scrupulously cleaned and then pre-fouled with 3 rounds at powder changes. I have read a lot about guys loving Retumbo in their 6.5's but I found that with both the 140 Bergers and the 143 ELD-Xs, my groups shrank considerably as I went up in burn rate from Retumbo to H1000 to H4831SC. Yesterday my group averages went under 1" with H4831SC (avg. of 4, 3-shot groups) and a little over that with H1000, both loaded to Hornady's book max. Retumbo was around 2" and pretty erratic. I've concluded that Retumbo is just too slow for this application/combination, at least in my rifle. Now I love Retumbo in my Weatherby 338-378 with 300 gr. Bergers, but it doesn't seem to work in my .264.</p></blockquote><p></p>
[QUOTE="Ozzie, post: 1443807, member: 16710"] Glad to hear you're having this trouble because I am too, although yours appears far worse. I'm shooting a .264 Win Mag through a Sako 75 action with a Pac-Nor Supermatch barrel, 8-twist, 26 inches long, 150 rounds through it, scrupulously cleaned and then pre-fouled with 3 rounds at powder changes. I have read a lot about guys loving Retumbo in their 6.5's but I found that with both the 140 Bergers and the 143 ELD-Xs, my groups shrank considerably as I went up in burn rate from Retumbo to H1000 to H4831SC. Yesterday my group averages went under 1" with H4831SC (avg. of 4, 3-shot groups) and a little over that with H1000, both loaded to Hornady's book max. Retumbo was around 2" and pretty erratic. I've concluded that Retumbo is just too slow for this application/combination, at least in my rifle. Now I love Retumbo in my Weatherby 338-378 with 300 gr. Bergers, but it doesn't seem to work in my .264. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
I can’t figure this out
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