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Rifles, Reloading, Optics, Equipment
Reloading
270 am
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<blockquote data-quote="royinidaho" data-source="post: 328067" data-attributes="member: 2011"><p>65joe,</p><p></p><p>When did you purchase the 169.5s? How many do you have? I call dibs if you want to get rid of them. Really.</p><p></p><p>How many grooves in that Lilja bbl?</p><p></p><p>With my now long in the tooth 270 AM w/a 30" 8 Twist, 3 groove barrel I've had to go to a solid base bullet. Namely Nosler Ballistic Tips and Accubonds. Another one that works well is the Hornady 140 gr BTSP. She still maintains the makers delivery specs with any and all of these bullets and would do so w/169.5s if I had any.</p><p></p><p>The Bergers will most probably do well under 3250 FPS MV. Faster than that they progressively open the groups as velocity increases. At least that's my experience.</p><p>I'd rather shoot the 140s and 150s at 3600+ and 3500+ respectively than not shoot at all. However the wind beats my butt with these marginal bc offerings. I shot 3 shots during a windy day with much mirage @ 1k the other day. And I was trying to read the wind flags. The three shots had "tears to the eyes" vertical dispersion and 3 feet horizontal dispersion. Never came close to those windage numbers with the WC offerings.</p><p></p><p>Berger has threatened to make some heavy for bore bullets in .277 but that won't happen until after the .338 pills hit the market which isn't even close.</p><p></p><p>I bought a reducing die and reduced 168 and 180 Bergers (hunting and match) and achieved marginal results. It seems that 0.007" is about 0.006" too much to reduce bullets and maintain accuracy.</p><p></p><p>Not being one to give up, my mini-lathe will be delivered monday, a jacket core die will appear shortly after that. Then the fun starts. I hope.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p></blockquote><p></p>
[QUOTE="royinidaho, post: 328067, member: 2011"] 65joe, When did you purchase the 169.5s? How many do you have? I call dibs if you want to get rid of them. Really. How many grooves in that Lilja bbl? With my now long in the tooth 270 AM w/a 30" 8 Twist, 3 groove barrel I've had to go to a solid base bullet. Namely Nosler Ballistic Tips and Accubonds. Another one that works well is the Hornady 140 gr BTSP. She still maintains the makers delivery specs with any and all of these bullets and would do so w/169.5s if I had any. The Bergers will most probably do well under 3250 FPS MV. Faster than that they progressively open the groups as velocity increases. At least that's my experience. I'd rather shoot the 140s and 150s at 3600+ and 3500+ respectively than not shoot at all. However the wind beats my butt with these marginal bc offerings. I shot 3 shots during a windy day with much mirage @ 1k the other day. And I was trying to read the wind flags. The three shots had "tears to the eyes" vertical dispersion and 3 feet horizontal dispersion. Never came close to those windage numbers with the WC offerings. Berger has threatened to make some heavy for bore bullets in .277 but that won't happen until after the .338 pills hit the market which isn't even close. I bought a reducing die and reduced 168 and 180 Bergers (hunting and match) and achieved marginal results. It seems that 0.007" is about 0.006" too much to reduce bullets and maintain accuracy. Not being one to give up, my mini-lathe will be delivered monday, a jacket core die will appear shortly after that. Then the fun starts. I hope.:rolleyes: [/QUOTE]
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Reloading
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