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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Anyone own a 7mm 300 Win Mag?
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<blockquote data-quote="brian11" data-source="post: 2176794" data-attributes="member: 112031"><p>Someone asked me what I was using for loads with this cartridge, and thisis what I sent them, so I thought i'd add it here:</p><p></p><p>I haven't done a lot of load development with it, but I have thus far used </p><p>62gr IMR 4350 with 180gr Berger VLD</p><p>63gr IMR 4350 with 160gr Sierra TMK</p><p>64gr IMR 4350 with 145gr Speer</p><p>62gr IMR 4350 with 175gr Speer</p><p>63gr IMR 4350 with 180gr Berger VLD</p><p>71gr H1000 with 180gr Berger VLD</p><p>64gr IMR 4350 with 160gr Sierra TMK</p><p>72.5gr H1000 with 160gr Sierra TMK</p><p>barrel is 26" with 1:10" rifling. 1:8" would allow better use of the heavier bullets for long range. 28" might be better too.</p><p>If I was speccing a new barrel, I'd spec 1:8" 28"</p><p>Here's info from a guy (in Australia, I think) who made something called the 7mm Practical, which is pretty much the same thing</p><p>[URL unfurl="true"]https://www.ballisticstudies.com/Knowledgebase/7mm+Practical.html[/URL]</p><p>LOTS of good info there.</p></blockquote><p></p>
[QUOTE="brian11, post: 2176794, member: 112031"] Someone asked me what I was using for loads with this cartridge, and thisis what I sent them, so I thought i'd add it here: I haven't done a lot of load development with it, but I have thus far used 62gr IMR 4350 with 180gr Berger VLD 63gr IMR 4350 with 160gr Sierra TMK 64gr IMR 4350 with 145gr Speer 62gr IMR 4350 with 175gr Speer 63gr IMR 4350 with 180gr Berger VLD 71gr H1000 with 180gr Berger VLD 64gr IMR 4350 with 160gr Sierra TMK 72.5gr H1000 with 160gr Sierra TMK barrel is 26" with 1:10" rifling. 1:8" would allow better use of the heavier bullets for long range. 28" might be better too. If I was speccing a new barrel, I'd spec 1:8" 28" Here's info from a guy (in Australia, I think) who made something called the 7mm Practical, which is pretty much the same thing [URL unfurl="true"]https://www.ballisticstudies.com/Knowledgebase/7mm+Practical.html[/URL] LOTS of good info there. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Anyone own a 7mm 300 Win Mag?
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