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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Advice wanted on rifle calibers
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<blockquote data-quote="Trickymissfit" data-source="post: 868532" data-attributes="member: 25383"><p>this one is easy! Build a 250AI, and be able to shoot everything from 75 grains to 120 grains. Fire form cases by simply shooting factory loads thru it. There is a lot of load data out there, and this round will do an honest 3200fps with a 100 grain bullet. In a modern bolt gun the SAMMI spec for pressure is almost comical. A 45K psi spec is simply stupid when the 22-250 is spec'd at 65K psi. With modern powders like H1000, Retumbo, and 4831SC, you have a new world opening up. In the 6/250AI, I've found that these three really shoot well with 100 grain bullets at 3000fps (not maxed out)</p><p> </p><p>The 250AI is often regarded as Ackley's best round, even though he often said the 7x57AI was his favorite. Another nice thing about the 250AI is that you can easily get by with a 24" barrel, and probably a 22" barrel will get you by.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 868532, member: 25383"] this one is easy! Build a 250AI, and be able to shoot everything from 75 grains to 120 grains. Fire form cases by simply shooting factory loads thru it. There is a lot of load data out there, and this round will do an honest 3200fps with a 100 grain bullet. In a modern bolt gun the SAMMI spec for pressure is almost comical. A 45K psi spec is simply stupid when the 22-250 is spec'd at 65K psi. With modern powders like H1000, Retumbo, and 4831SC, you have a new world opening up. In the 6/250AI, I've found that these three really shoot well with 100 grain bullets at 3000fps (not maxed out) The 250AI is often regarded as Ackley's best round, even though he often said the 7x57AI was his favorite. Another nice thing about the 250AI is that you can easily get by with a 24" barrel, and probably a 22" barrel will get you by. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Advice wanted on rifle calibers
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