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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Can I improve my load procedure??
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<blockquote data-quote="Fiftydriver" data-source="post: 35085" data-attributes="member: 10"><p>Lablover,</p><p></p><p>I am sorry to say that the industry is letting you and all of us down by using the 1-14" twist in the 22 caliber varminters.</p><p></p><p>In a 22-250, this twist is fine for all bullets up to a 55 gr Flat base but anything 55 gr with a boat tail and especially a tipped BT will generally prove very poor performers.</p><p></p><p>I say generally because as soon as this is posted, I will get hammered by a couple guys that have this twist and are shooting the 55 gr Ballistic Tip into 1/2 moa groups.</p><p></p><p>Let me say, I have never in my private shooting, not as a gunsmith and custom load developer seen any factory 22-250 shoot a tipped BT 55 gr bullet well. Even the flat based 55 gr V-Max is a poor performer in the 1-14" twist.</p><p></p><p>I have a 220 Swift in the Ruger M77VT that I tried to get to shoot these 55 gr bullets out of and it never would group them inside 1.5 moa. I took that factory barrel and rechamered it to the 22-6mm AI and now it drives the 55 gr Blitzking to 4120 fps and groups are running in the 3's.</p><p></p><p>Still when developing loads, groups were on par with the swift until velocity reached and pasted the 3950-4000 fps range. From the on, groups shrank instantly and dramatically.</p><p></p><p>IF yo want to use a tipped bullet in a factory 22-250, use one of the 50 gr versions such as the Ballistic Tip, Ballistic Silvertip, V-Max and the great Blitzking as well.</p><p></p><p>Yo really will not give up much in B.C. and you will gain accuracy and velocity.</p><p></p><p>Other then that, send it to me and I'll fit a 1-12" barrel to her and then you'll be doing great with the 55 gr tipped bullets.</p><p></p><p>Unfortunately, the industry as far as rifle makers are behind the times compared to the bullet makers.</p><p></p><p>Your good results with the 52 gr bullet is another piece of proof.</p><p></p><p>Good Shooting!!!</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 35085, member: 10"] Lablover, I am sorry to say that the industry is letting you and all of us down by using the 1-14" twist in the 22 caliber varminters. In a 22-250, this twist is fine for all bullets up to a 55 gr Flat base but anything 55 gr with a boat tail and especially a tipped BT will generally prove very poor performers. I say generally because as soon as this is posted, I will get hammered by a couple guys that have this twist and are shooting the 55 gr Ballistic Tip into 1/2 moa groups. Let me say, I have never in my private shooting, not as a gunsmith and custom load developer seen any factory 22-250 shoot a tipped BT 55 gr bullet well. Even the flat based 55 gr V-Max is a poor performer in the 1-14" twist. I have a 220 Swift in the Ruger M77VT that I tried to get to shoot these 55 gr bullets out of and it never would group them inside 1.5 moa. I took that factory barrel and rechamered it to the 22-6mm AI and now it drives the 55 gr Blitzking to 4120 fps and groups are running in the 3's. Still when developing loads, groups were on par with the swift until velocity reached and pasted the 3950-4000 fps range. From the on, groups shrank instantly and dramatically. IF yo want to use a tipped bullet in a factory 22-250, use one of the 50 gr versions such as the Ballistic Tip, Ballistic Silvertip, V-Max and the great Blitzking as well. Yo really will not give up much in B.C. and you will gain accuracy and velocity. Other then that, send it to me and I'll fit a 1-12" barrel to her and then you'll be doing great with the 55 gr tipped bullets. Unfortunately, the industry as far as rifle makers are behind the times compared to the bullet makers. Your good results with the 52 gr bullet is another piece of proof. Good Shooting!!! Kirby Allen(50) [/QUOTE]
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Can I improve my load procedure??
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