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Rifles, Reloading, Optics, Equipment
Gunsmithing
Match vs standard chamber
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<blockquote data-quote="J E Custom" data-source="post: 1374447" data-attributes="member: 2736"><p>I think that setting the shoulder back is a good way to bring the accuracy back in a good barrel. Rarely does a barrel get shot out in its entirety, and setting back freshens up the lead and throat.</p><p></p><p>2000 rounds of 223 doesn't sound like enough to wash out the barrel so I would take a close look at your loading and components also. Powders do change and if you have good chronograph records, A new comparison may be necessary. I have had to alter my loads because of batch changes in powder.</p><p></p><p>Also you might recondition your brass and sort in close weight batches and size only enough to chamber the round. (We often over size the brass,allowing it to lay in the chamber hurting accuracy. I have a 308 with over 23,000 rounds through it and it will still shoot 1/2 MOA with iron sites. The throat is very worn, but when I do a minimum sizing and prep the brass as described, it still amazes me that It shoots that well.</p><p></p><p>I shoot NRA high power matches with it for over 15 years and I hate to mess with it. (Sentimental I guess).</p><p></p><p>Anyway, its worth a try before you do any barrel work.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1374447, member: 2736"] I think that setting the shoulder back is a good way to bring the accuracy back in a good barrel. Rarely does a barrel get shot out in its entirety, and setting back freshens up the lead and throat. 2000 rounds of 223 doesn't sound like enough to wash out the barrel so I would take a close look at your loading and components also. Powders do change and if you have good chronograph records, A new comparison may be necessary. I have had to alter my loads because of batch changes in powder. Also you might recondition your brass and sort in close weight batches and size only enough to chamber the round. (We often over size the brass,allowing it to lay in the chamber hurting accuracy. I have a 308 with over 23,000 rounds through it and it will still shoot 1/2 MOA with iron sites. The throat is very worn, but when I do a minimum sizing and prep the brass as described, it still amazes me that It shoots that well. I shoot NRA high power matches with it for over 15 years and I hate to mess with it. (Sentimental I guess). Anyway, its worth a try before you do any barrel work. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Match vs standard chamber
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