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Best 7mm cartridge?
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<blockquote data-quote="WiscGunner" data-source="post: 1832605" data-attributes="member: 97288"><p>I agree the rounded number is obviously that but we all know this changes with temperature and round count/fowling. I assume the shooter took this into consideration. My load averaged 2837 and 2843 on 2 different range sessions.</p><p> </p><p>Here is some 28nosler comparable data from <a href="https://www.longrangehunting.com/threads/195-bergers-and-vihtavuroi-n570.158080/page-2" target="_blank">2015/16 on this forum</a> using N570 like the load data for the 7 Sherman Max (2950fps 69gr/26" barrel)</p><p></p><p><strong>bigbulls</strong>""195 berger load is 3060 fps with sd under 9 and less than 1/2 moa group at 100 yards with N570" from a 26" barrel.</p><p></p><p><strong>[USER=72021]jweigel:[/USER] "</strong>I am going to stay with 80 grains of N570. The speeds today were 3072, 3073 and 3070." Not sure on the length of his "factory sendero" barrels.</p><p></p><p></p><p>Perhaps someone else on here can list N570 loads for their 28 nosler with 195's or their Sherman Max with 195 and RL33 for more current comparison. Definitely interesting. </p><p></p><p>I know with my 7SS H1000 loads I got up to 2936fps with 62.8gr in a 26" barrel (compressed) without pressure signs there can clearly be a significant difference between max load and "settled on" load data.</p><p></p><p>I am very interested to to see how many rounds I get out of my barrel but am in no rush to burn it out. I am hoping for 1500-2000 rounds. I am sure in a few more years we will have more accurate barrel life data to compare the Sherman cartridges to others.</p></blockquote><p></p>
[QUOTE="WiscGunner, post: 1832605, member: 97288"] I agree the rounded number is obviously that but we all know this changes with temperature and round count/fowling. I assume the shooter took this into consideration. My load averaged 2837 and 2843 on 2 different range sessions. Here is some 28nosler comparable data from [URL='https://www.longrangehunting.com/threads/195-bergers-and-vihtavuroi-n570.158080/page-2']2015/16 on this forum[/URL] using N570 like the load data for the 7 Sherman Max (2950fps 69gr/26" barrel) [B]bigbulls[/B]""195 berger load is 3060 fps with sd under 9 and less than 1/2 moa group at 100 yards with N570" from a 26" barrel. [B][USER=72021]jweigel:[/USER] "[/B]I am going to stay with 80 grains of N570. The speeds today were 3072, 3073 and 3070." Not sure on the length of his "factory sendero" barrels. Perhaps someone else on here can list N570 loads for their 28 nosler with 195's or their Sherman Max with 195 and RL33 for more current comparison. Definitely interesting. I know with my 7SS H1000 loads I got up to 2936fps with 62.8gr in a 26" barrel (compressed) without pressure signs there can clearly be a significant difference between max load and "settled on" load data. I am very interested to to see how many rounds I get out of my barrel but am in no rush to burn it out. I am hoping for 1500-2000 rounds. I am sure in a few more years we will have more accurate barrel life data to compare the Sherman cartridges to others. [/QUOTE]
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