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Rifles, Reloading, Optics, Equipment
7mm STW
195 Bergers and Vihtavuroi N570
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<blockquote data-quote="eshorebwhntr" data-source="post: 1216694" data-attributes="member: 17112"><p>What do you consider to be the best that gun will shoot? Or a better question is what is a good average group size that you get out of that gun with other loads?</p><p></p><p>I only say that because a factory STW has (I believe) a 1-9 or 1-9.25 twist. The 195 probably needs a little more than that to stabilize properly. If it's not then accuracy might not be there. Additionally, from what I've read by Bryan Litz you'll be lowering the BC on that bullet from not stabilizing properly. To get published BC's by Berger you have to be fully stabilized. In ND elevation and that combo you'll probably be about 5-6% below that advertised BC. Still higher than the 180 Hybrid.</p><p></p><p>He also posted some info on the "bullets stabilizing better at 400" part of your post. That didn't make sense to him so he tested the theory that "bullets go to SLEEP (or stabilize) at further distance". At one point he offered to fly a person out to his home with their rifle if once they arrived they could prove that their rifle shot a better group at say 300 vs 100. In the end I think his conclusion was that your eyes and scope "work better" at 300 yards vs 100 and that was how people had rifles that would shoot better groups (moa wise) at 300 vs 100. He basically made a setup where you would aim at a point at 300 yards and have your bullet punch paper at 100. Pretty interesting read. </p><p></p><p>Short answer is I don't think shooting groups at 400 to prove your loads will be of any more benefit than 2 or 300. </p><p></p><p>If you have history with another load combo that produces better results then I guess you know your accuracy potential. If you don't then that would be what I would try to establish next. Additionally, my opinion is that the 195 is another good option and not necessarily a better option. Inside 1000 yards the 180 with higher MV will probably outrun it but have slightly more wind drift.</p><p></p><p>It's up to you but I would consider trying the 180 Hybrid next if you can't get the 195's to do what you want.</p></blockquote><p></p>
[QUOTE="eshorebwhntr, post: 1216694, member: 17112"] What do you consider to be the best that gun will shoot? Or a better question is what is a good average group size that you get out of that gun with other loads? I only say that because a factory STW has (I believe) a 1-9 or 1-9.25 twist. The 195 probably needs a little more than that to stabilize properly. If it's not then accuracy might not be there. Additionally, from what I've read by Bryan Litz you'll be lowering the BC on that bullet from not stabilizing properly. To get published BC's by Berger you have to be fully stabilized. In ND elevation and that combo you'll probably be about 5-6% below that advertised BC. Still higher than the 180 Hybrid. He also posted some info on the "bullets stabilizing better at 400" part of your post. That didn't make sense to him so he tested the theory that "bullets go to SLEEP (or stabilize) at further distance". At one point he offered to fly a person out to his home with their rifle if once they arrived they could prove that their rifle shot a better group at say 300 vs 100. In the end I think his conclusion was that your eyes and scope "work better" at 300 yards vs 100 and that was how people had rifles that would shoot better groups (moa wise) at 300 vs 100. He basically made a setup where you would aim at a point at 300 yards and have your bullet punch paper at 100. Pretty interesting read. Short answer is I don't think shooting groups at 400 to prove your loads will be of any more benefit than 2 or 300. If you have history with another load combo that produces better results then I guess you know your accuracy potential. If you don't then that would be what I would try to establish next. Additionally, my opinion is that the 195 is another good option and not necessarily a better option. Inside 1000 yards the 180 with higher MV will probably outrun it but have slightly more wind drift. It's up to you but I would consider trying the 180 Hybrid next if you can't get the 195's to do what you want. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
7mm STW
195 Bergers and Vihtavuroi N570
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