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6.5-300 WSM by MCR
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<blockquote data-quote="txsendero" data-source="post: 551329" data-attributes="member: 9602"><p>It's mine, thanks Kevin for putting this rig together for me. It's in a Grey Bull Precision stock, which I think is made by B & C. After getting the chamber neck dimensions from Kevin, I sized and neck turned some WW 270WSM brass, and loaded up some graduated rounds with GM210M primers.</p><p>I mounted a Grey Bull/Leupold 4.5-14 x 50 scope, and after 10 rounds of shoot/clean, the copper fouling pretty much stopped. The first 10 rounds I used graduated charges of H1000 with Berger 140 VLDs going up .7 grains each round. After that, the first group I shot was 4 rounds at 200 yards, each one with .7 grains more powder than the previous one, and it still shot a 1/2 MOA group. Can't wait to get it back to the range and see what she'll do with ammo thats all the same powder charge.</p></blockquote><p></p>
[QUOTE="txsendero, post: 551329, member: 9602"] It's mine, thanks Kevin for putting this rig together for me. It's in a Grey Bull Precision stock, which I think is made by B & C. After getting the chamber neck dimensions from Kevin, I sized and neck turned some WW 270WSM brass, and loaded up some graduated rounds with GM210M primers. I mounted a Grey Bull/Leupold 4.5-14 x 50 scope, and after 10 rounds of shoot/clean, the copper fouling pretty much stopped. The first 10 rounds I used graduated charges of H1000 with Berger 140 VLDs going up .7 grains each round. After that, the first group I shot was 4 rounds at 200 yards, each one with .7 grains more powder than the previous one, and it still shot a 1/2 MOA group. Can't wait to get it back to the range and see what she'll do with ammo thats all the same powder charge. [/QUOTE]
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