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Rifles, Reloading, Optics, Equipment
Reloading
Vihtavuori N570 in 7mm Rem Mag
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<blockquote data-quote="ppoole" data-source="post: 1673310" data-attributes="member: 33431"><p>[ATTACH]141376[/ATTACH] </p><p>This is from my testing that I did in my 7mag. I posted it on LRO and screen shot it instead of retyping. One of the things I was told was N570 works best out of fireformed brass, and belted magnums will grow considerably. I was much faster shooting N570. I would recommend a 28 inch barrel for retumbo or N570 (which you have). I hbn coat my bullets so I use more powder o. Average 1-2 grains more because of hbn being extremely thick. I never worked up to pressure with N570 but I was using adg brass as well and had 70+ fps gain in velocity. </p><p>I would start ladder based off retumbo and work up to finding pressure.</p></blockquote><p></p>
[QUOTE="ppoole, post: 1673310, member: 33431"] [ATTACH]141376[/ATTACH] This is from my testing that I did in my 7mag. I posted it on LRO and screen shot it instead of retyping. One of the things I was told was N570 works best out of fireformed brass, and belted magnums will grow considerably. I was much faster shooting N570. I would recommend a 28 inch barrel for retumbo or N570 (which you have). I hbn coat my bullets so I use more powder o. Average 1-2 grains more because of hbn being extremely thick. I never worked up to pressure with N570 but I was using adg brass as well and had 70+ fps gain in velocity. I would start ladder based off retumbo and work up to finding pressure. [/QUOTE]
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Reloading
Vihtavuori N570 in 7mm Rem Mag
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