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Long Range Hunting & Shooting
6.5x57mm AI question
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<blockquote data-quote="epoletna" data-source="post: 3068103" data-attributes="member: 87371"><p>I believe your Yugo is a controlled round feed, meaning the round must be fed from the magazine. Otherwise, the extractor will not snap over the rim, and the. bolt won't close. Could this be the problem you're experiencing?</p><p></p><p>As for fireforming, before you get to that stage you might consider taking a cast of your chamber to be sure it is what you think it is. Lots of people use Cerrosafe, which is an easy job. I use a combination of sulfur and powdered graphite. Oil your chamber and barrel, plug the barrel with a cleaning patch, heat up some casting medium, pour in chamber, let it harden, then push it out from muzzle. If you go the sulfur route, heat it gently -- sulfur burns and will smell up your house/garage.</p><p></p><p>Once you're sure it is an AI chamber, you can generally fire commercial rounds, or slightly reduced loads , and they will expand to fit the chamber. Perhaps not fully on the first shot, but probably over two shots. </p><p></p><p>Or you can go with a light load of faster-burning powder, a small toilet paper wad, then cream of wheat (COW) topped with another toilet paper wad. It is noisy, so don't do it in town. That will blow the case out most of the way.</p></blockquote><p></p>
[QUOTE="epoletna, post: 3068103, member: 87371"] I believe your Yugo is a controlled round feed, meaning the round must be fed from the magazine. Otherwise, the extractor will not snap over the rim, and the. bolt won't close. Could this be the problem you're experiencing? As for fireforming, before you get to that stage you might consider taking a cast of your chamber to be sure it is what you think it is. Lots of people use Cerrosafe, which is an easy job. I use a combination of sulfur and powdered graphite. Oil your chamber and barrel, plug the barrel with a cleaning patch, heat up some casting medium, pour in chamber, let it harden, then push it out from muzzle. If you go the sulfur route, heat it gently -- sulfur burns and will smell up your house/garage. Once you're sure it is an AI chamber, you can generally fire commercial rounds, or slightly reduced loads , and they will expand to fit the chamber. Perhaps not fully on the first shot, but probably over two shots. Or you can go with a light load of faster-burning powder, a small toilet paper wad, then cream of wheat (COW) topped with another toilet paper wad. It is noisy, so don't do it in town. That will blow the case out most of the way. [/QUOTE]
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