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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22-243AI vs 22 CHeetah vs 22 something else
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<blockquote data-quote="Gary Morgan" data-source="post: 171415" data-attributes="member: 8580"><p><strong>224TTH AKA 224-6mm AKA 22/6mm</strong></p><p></p><p>All these names apply to the 6mm Remington case necked down to 224 caliber. I have one in 10-twist that works very well with the 70 grain Berger VLD. It shoots one and two-tenths groups at 100 at 3,644 FPS. This bullet is not as explosive on P-dogs as are the polymer-tipped bullets, but it works well if you are only interested in killing them. I have another barrel in 8.5 twist that I am having chambered in the same cartridge. The 22/6mm only requires that you run a 6mm Remington case through the 22/6mm die to neck it down and then trim to length. Hornady makes a great die set for this cartridge.</p><p></p><p>I won't mislead you, I haven't had the barrel long enough to give any estimate on its life, but so far the throat looks like it will be about as long lived as a 6x284, which will put it in the 1,000 to 1,400 shot range.</p><p></p><p>Mr. Lonnie Hummel of Hornady is a wealth of knowledge on this cartridge. He uses it in 1,000 yard competition. He says that he gets great life out of his barrels by reduced the powder charge to get 3,400 FPS with the 75 or 80 grain A-Max and cleaning very regularly. He has some barrels that he has gotten 2500+ rounds out of. He says it shoots flat enough that you don't need a scope mount with any additional MOA built in to shoot at 1,000 yards.</p><p></p><p>I hope this info is helpful.</p></blockquote><p></p>
[QUOTE="Gary Morgan, post: 171415, member: 8580"] [b]224TTH AKA 224-6mm AKA 22/6mm[/b] All these names apply to the 6mm Remington case necked down to 224 caliber. I have one in 10-twist that works very well with the 70 grain Berger VLD. It shoots one and two-tenths groups at 100 at 3,644 FPS. This bullet is not as explosive on P-dogs as are the polymer-tipped bullets, but it works well if you are only interested in killing them. I have another barrel in 8.5 twist that I am having chambered in the same cartridge. The 22/6mm only requires that you run a 6mm Remington case through the 22/6mm die to neck it down and then trim to length. Hornady makes a great die set for this cartridge. I won't mislead you, I haven't had the barrel long enough to give any estimate on its life, but so far the throat looks like it will be about as long lived as a 6x284, which will put it in the 1,000 to 1,400 shot range. Mr. Lonnie Hummel of Hornady is a wealth of knowledge on this cartridge. He uses it in 1,000 yard competition. He says that he gets great life out of his barrels by reduced the powder charge to get 3,400 FPS with the 75 or 80 grain A-Max and cleaning very regularly. He has some barrels that he has gotten 2500+ rounds out of. He says it shoots flat enough that you don't need a scope mount with any additional MOA built in to shoot at 1,000 yards. I hope this info is helpful. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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22-243AI vs 22 CHeetah vs 22 something else
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