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Rifles, Reloading, Optics, Equipment
Reloading
Brass “break in” …
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<blockquote data-quote="jarnold37" data-source="post: 2406058" data-attributes="member: 29241"><p>I am slow to realize the actual problem when an accurate rifle slowly becomes not so accurate. Even with custom action, heavy hand lapped barrel, scope considered to be one of the best, benchrest well bedded stock and two ounce trigger, would be frustrated that accuracy had worsened. In desperation I would start changing things. Even pulling barrel and recrowning and re-chambering, usually to no avail. I had an incorrect feeling about brass in that good accuracy only came after brass had been shot and formed. And then the Reality sunk in. Even though I used bushing dies, occasionalyI would use a full length die with a button. When pulling button up through neck, I noticed a loud screech and had to use excess pressure on the ram. I too then realized that my best accuracy came with new brass. When using Lapua brass, it seemed problem wasn't as bad. But with other well known cheaper brass, it was usually after one firing. And on an ackley chambering, 50% of casings split on first firing, and chamber had perfect headspacing. Bad brass. You get what you pay for. So, now I anneal regularly. I had been missing the importance of consistency of softness of brass. I developed a method of determing when necks were soft and consistent,and not to ruffle anyone feathers, unless necks are brought to a glowing orange and quenched, they are not elastic enough. I have never experienced over annealing and damaged brass. Just my experience. Brass is a very important part of the equation</p></blockquote><p></p>
[QUOTE="jarnold37, post: 2406058, member: 29241"] I am slow to realize the actual problem when an accurate rifle slowly becomes not so accurate. Even with custom action, heavy hand lapped barrel, scope considered to be one of the best, benchrest well bedded stock and two ounce trigger, would be frustrated that accuracy had worsened. In desperation I would start changing things. Even pulling barrel and recrowning and re-chambering, usually to no avail. I had an incorrect feeling about brass in that good accuracy only came after brass had been shot and formed. And then the Reality sunk in. Even though I used bushing dies, occasionalyI would use a full length die with a button. When pulling button up through neck, I noticed a loud screech and had to use excess pressure on the ram. I too then realized that my best accuracy came with new brass. When using Lapua brass, it seemed problem wasn't as bad. But with other well known cheaper brass, it was usually after one firing. And on an ackley chambering, 50% of casings split on first firing, and chamber had perfect headspacing. Bad brass. You get what you pay for. So, now I anneal regularly. I had been missing the importance of consistency of softness of brass. I developed a method of determing when necks were soft and consistent,and not to ruffle anyone feathers, unless necks are brought to a glowing orange and quenched, they are not elastic enough. I have never experienced over annealing and damaged brass. Just my experience. Brass is a very important part of the equation [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Brass “break in” …
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