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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22-250 for heavier bullets?
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<blockquote data-quote="Fiftydriver" data-source="post: 35675" data-attributes="member: 10"><p>Goodgrouper,</p><p></p><p>The finish on teh bore of the Lilja barrels are flat out mirror finished.</p><p></p><p>What I am thinking is that perhaps the thicker diameter of the lands on teh 3 groove system is compressing to much jacket aarea and compromising the jacket-core integrity. This would make sence with the thin hacketed match bullets and may explain why the thicker Matchkings can handle it better.</p><p></p><p>If the jacket springs back slightly when the bullet is released by the muzzle, the greater area compressed by the 3 groove system may be the problem. The jacket will spring back but the soft lead core will not so you get a situation of jacket-core seperation.</p><p></p><p>We may be onto something here. That 6mm-06 I wrote about is a Kreiger 4 groove. THis rifling is more traditional in land widith as well. Interesting!!</p><p></p><p>I totally agree with you on the grouping of your rifle. My customers come to pick up their extreme range rifles I build for them and when we head out to the range the first thing I tell them that if you get any group under an inch at 100 yards, take it out to at least 300 yards and I prefer 500 yards minumim and you will be very impressed.</p><p></p><p>I have seen what you discribe hundreds of times with my rifles. You will get a 3/4 moa group at 100 yards and then when you back up to 300 yards you get 1/3 moa and then at 500 yards you start playing with the 1/4 and 1/5 moa range.</p><p></p><p>My customers do not believe me until they see it so I know what you are stating is the honest trueth.</p><p></p><p>I may have to test this new theory out by getting a traditional 6 or 8 groove 1-8 Lilja ant test it with these bullets. For extreme range varmint rifles I would much prefer to use the A-Max for its better on target performance.</p><p></p><p>For paper punching the three groove design allows longer throat life, this is why I prefer it for the big cased small bore wildcats.</p><p></p><p>Good Shooting!!!</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 35675, member: 10"] Goodgrouper, The finish on teh bore of the Lilja barrels are flat out mirror finished. What I am thinking is that perhaps the thicker diameter of the lands on teh 3 groove system is compressing to much jacket aarea and compromising the jacket-core integrity. This would make sence with the thin hacketed match bullets and may explain why the thicker Matchkings can handle it better. If the jacket springs back slightly when the bullet is released by the muzzle, the greater area compressed by the 3 groove system may be the problem. The jacket will spring back but the soft lead core will not so you get a situation of jacket-core seperation. We may be onto something here. That 6mm-06 I wrote about is a Kreiger 4 groove. THis rifling is more traditional in land widith as well. Interesting!! I totally agree with you on the grouping of your rifle. My customers come to pick up their extreme range rifles I build for them and when we head out to the range the first thing I tell them that if you get any group under an inch at 100 yards, take it out to at least 300 yards and I prefer 500 yards minumim and you will be very impressed. I have seen what you discribe hundreds of times with my rifles. You will get a 3/4 moa group at 100 yards and then when you back up to 300 yards you get 1/3 moa and then at 500 yards you start playing with the 1/4 and 1/5 moa range. My customers do not believe me until they see it so I know what you are stating is the honest trueth. I may have to test this new theory out by getting a traditional 6 or 8 groove 1-8 Lilja ant test it with these bullets. For extreme range varmint rifles I would much prefer to use the A-Max for its better on target performance. For paper punching the three groove design allows longer throat life, this is why I prefer it for the big cased small bore wildcats. Good Shooting!!! Kirby Allen(50) [/QUOTE]
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22-250 for heavier bullets?
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