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Hunting
Long Range Hunting & Shooting
Powder max on .270 Winchester
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<blockquote data-quote="entoptics" data-source="post: 1721584" data-attributes="member: 104268"><p>I concur on 4064 being too fast for the 270.</p><p></p><p>I was getting ~2880 fps with 145 ELDX and ~59 gr of H1000 in my 22" Marlin without any pressure issues. Unfortunately, the ELDX patterns like a 12 gauge in my rifle.</p><p></p><p>140 Nosler Accubonds shoot pretty decent, and those I'm pushing right around 2980, again with H1000.</p><p></p><p>I personally wouldn't recommend pushing a load past "flattening of primers". Instead, I'd suggest switching to a slower powder. You'll get more speed with less pressure. I'd probably go no faster than H/IMR 4350, and more likely something as slow as H1000, RL22, or 4831.</p><p></p><p>270 may not seem like it, but it's approaching "magnum" overbore, and needs a slowish powder to really shine.</p></blockquote><p></p>
[QUOTE="entoptics, post: 1721584, member: 104268"] I concur on 4064 being too fast for the 270. I was getting ~2880 fps with 145 ELDX and ~59 gr of H1000 in my 22" Marlin without any pressure issues. Unfortunately, the ELDX patterns like a 12 gauge in my rifle. 140 Nosler Accubonds shoot pretty decent, and those I'm pushing right around 2980, again with H1000. I personally wouldn't recommend pushing a load past "flattening of primers". Instead, I'd suggest switching to a slower powder. You'll get more speed with less pressure. I'd probably go no faster than H/IMR 4350, and more likely something as slow as H1000, RL22, or 4831. 270 may not seem like it, but it's approaching "magnum" overbore, and needs a slowish powder to really shine. [/QUOTE]
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Powder max on .270 Winchester
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