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Hunting
Long Range Hunting & Shooting
Gun groups better @ 200 than 100yrds
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<blockquote data-quote="Greyfox" data-source="post: 542802" data-attributes="member: 10291"><p>I have have seen this effect and understand that it is a bullet stabilization issue usually caused by a bullet that is at the limit of compatabilty between the rifle twist rate and the weight/ length/velocity of the bullet. I specifically saw this and reproduced it when I tried shooting 75gr bullets out of my 223 with a 1:9 twist. It produced .75" at 100 yards and .5" at 200. I had the same effect shooting 175 SMK's out of my 1:12 twist 308. 1" at 100 yards, 1" at 300 yards, consistently. Also seen it on several occasions with the bench rest guys at my club. It's likely why that box of Bergers designates why you need to use a minimum twist rate with a particular bullet</p><p>I agree that there is not enough statistical info to prove that it is the issue described </p><p>in the original post.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 542802, member: 10291"] I have have seen this effect and understand that it is a bullet stabilization issue usually caused by a bullet that is at the limit of compatabilty between the rifle twist rate and the weight/ length/velocity of the bullet. I specifically saw this and reproduced it when I tried shooting 75gr bullets out of my 223 with a 1:9 twist. It produced .75" at 100 yards and .5" at 200. I had the same effect shooting 175 SMK's out of my 1:12 twist 308. 1" at 100 yards, 1" at 300 yards, consistently. Also seen it on several occasions with the bench rest guys at my club. It's likely why that box of Bergers designates why you need to use a minimum twist rate with a particular bullet I agree that there is not enough statistical info to prove that it is the issue described in the original post. [/QUOTE]
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Gun groups better @ 200 than 100yrds
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