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Long Range Hunting & Shooting
Stabilizing a heavy .223 bullet
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<blockquote data-quote="RB II" data-source="post: 2725117" data-attributes="member: 124418"><p>As stated above, the length of the bullet is as/more important as far as stability than the weight. The Berger twist rate calculator has a drop down to select any their bullets so that is easy. </p><p></p><p>But if you want to use that and calculate for any other bullet, you will have to gather the require info for that specific bullet. And it can make a considerable difference between bullets. As above, the bullet manufacturers site almost always shows the BC, bullet weight, speed (can be gathered from the loaded ammo section for that bullet) etc. but often does not always include the bullet length. As I remember, Hornady does not show their bullet length on their "specs" section for those bullets. </p><p></p><p>One example of this, I have a Nosler 270 1-10 twist. It shoots the old Federal round nose 150 grain ammo in a less than 3/4" group. I am currently loading for the 150 ABLR, which is considerably longer than the round nose) and I am struggling to find that right node for it to shoot great. There are signs that it is unstable yet the ABLR box calls for 1-10 twist rate optimal. IMO, it is marginal.</p></blockquote><p></p>
[QUOTE="RB II, post: 2725117, member: 124418"] As stated above, the length of the bullet is as/more important as far as stability than the weight. The Berger twist rate calculator has a drop down to select any their bullets so that is easy. But if you want to use that and calculate for any other bullet, you will have to gather the require info for that specific bullet. And it can make a considerable difference between bullets. As above, the bullet manufacturers site almost always shows the BC, bullet weight, speed (can be gathered from the loaded ammo section for that bullet) etc. but often does not always include the bullet length. As I remember, Hornady does not show their bullet length on their "specs" section for those bullets. One example of this, I have a Nosler 270 1-10 twist. It shoots the old Federal round nose 150 grain ammo in a less than 3/4" group. I am currently loading for the 150 ABLR, which is considerably longer than the round nose) and I am struggling to find that right node for it to shoot great. There are signs that it is unstable yet the ABLR box calls for 1-10 twist rate optimal. IMO, it is marginal. [/QUOTE]
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Stabilizing a heavy .223 bullet
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