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Hunting
Long Range Hunting & Shooting
Factory loads OK, handloads keyhole?
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<blockquote data-quote="4xforfun" data-source="post: 1306462" data-attributes="member: 9172"><p>Are you SURE that the factory isn't key holing? My brother was testing a new semi custom 22-250 imp with a 1-14 twist and 55 Balistic tips. He fired 3 quick shots at 25 yards to get on paper and then proceded to shoot groups at 100.....bad groups....TERREBLE groups. Took the gun home and tore it down to check it over and switch scopes. Went back the next day with a different powder and the 55's. Same thing. Now, the holes in the target looked OK both days at 100. He grabbed up all of the targets, including the 25 yard target. One look at the 25 yard target told us all we needed to know.....all 3 bullet holes were sideways...perfect little coppys of a NBT, including the little boat tail!! They just happend to be dead on square at 100 and sraight sideways at 25!! He didn't bother to look the 25 yard target over the day before. Checked out the Berger twist calculator....the 55 NBT isn't even close to being stable out of a 14 twist tube. My question...how many hundreds of millions of 55 grain NBT's had been fired trouble free out of 14 twist tubes over the years??</p><p></p><p>Measure twice....cut once!!!</p><p></p><p>Tod</p></blockquote><p></p>
[QUOTE="4xforfun, post: 1306462, member: 9172"] Are you SURE that the factory isn't key holing? My brother was testing a new semi custom 22-250 imp with a 1-14 twist and 55 Balistic tips. He fired 3 quick shots at 25 yards to get on paper and then proceded to shoot groups at 100.....bad groups....TERREBLE groups. Took the gun home and tore it down to check it over and switch scopes. Went back the next day with a different powder and the 55's. Same thing. Now, the holes in the target looked OK both days at 100. He grabbed up all of the targets, including the 25 yard target. One look at the 25 yard target told us all we needed to know.....all 3 bullet holes were sideways...perfect little coppys of a NBT, including the little boat tail!! They just happend to be dead on square at 100 and sraight sideways at 25!! He didn't bother to look the 25 yard target over the day before. Checked out the Berger twist calculator....the 55 NBT isn't even close to being stable out of a 14 twist tube. My question...how many hundreds of millions of 55 grain NBT's had been fired trouble free out of 14 twist tubes over the years?? Measure twice....cut once!!! Tod [/QUOTE]
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Factory loads OK, handloads keyhole?
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