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#1
03-02-2007, 11:47 PM
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17 HM2 case ruptures
I have a converted 10/22 (New E. Authur Brown Barrel, and bolt handle) I took it to the range today and it ruptured the cases after about 20 or 30 rounds. Ran a cleaning rod with a brush on it the second time it did it, The third time it blew the magazine apart. I was using Hornady ammo. Had the rifle checked by a gunsmith he said everything appeared okay. Hornady wants to look at the cases, they blew at the rim or right by it. I havent been able to reach EA brown yet. Has anyone had this problem yet. the gun has had about 150 rounds through it all together
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#2
03-03-2007, 10:04 AM
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Welcome to HuntChat.
When you say the gun was converted, was the bolt and spring changed out, or just a barrel swap? A proper conversion MUST have a new bolt and recoil spring, both much heavier than the original. The .17HM2 creates MUCH higher bolt thrust than a standard .22LR and if the bolt opens too fast, the inevitable result is a case rupture, exactly as you describe. As they say in Texas, "Ever Tahm."
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