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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Brass sticking at all powder charges
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<blockquote data-quote="86alaskan" data-source="post: 1502064" data-attributes="member: 75933"><p>So, I've recently taken delivery of my out west long range do it all rifle. It's a 338RUM built on the T/L Hunter action with a Benchmark 1-9.3 twist barrel at 28". I have been breaking in and testing loads with the 300gr SMK and ADG virgin brass. All brass was sized and chamfered prior to loading. I've been using IMR 8133 and 215M primers. So..... I ran the first ladder after break in and started at 87gr and ran up to 92gr. This is well below what IMR says is safe max. The problem is that, even at 87gr, the bolt lift is heavy and I'm having to whack to bolt handle to get it to release from the chamber. My primers are rounded and there are no ejector or extractor marks. When I deprime, the primers feel tight when they pop out. </p><p></p><p>where should I go with this? Maybe the head space is too tight? The fired brass does seem to scratches or ridges around the circumference after firing all along the case body. Could a rough chamber cause this? Should I have the smith take it back to diagnose? It was built by a very reputable and highly regarded gunsmith in Kansas City...</p></blockquote><p></p>
[QUOTE="86alaskan, post: 1502064, member: 75933"] So, I've recently taken delivery of my out west long range do it all rifle. It's a 338RUM built on the T/L Hunter action with a Benchmark 1-9.3 twist barrel at 28". I have been breaking in and testing loads with the 300gr SMK and ADG virgin brass. All brass was sized and chamfered prior to loading. I've been using IMR 8133 and 215M primers. So..... I ran the first ladder after break in and started at 87gr and ran up to 92gr. This is well below what IMR says is safe max. The problem is that, even at 87gr, the bolt lift is heavy and I'm having to whack to bolt handle to get it to release from the chamber. My primers are rounded and there are no ejector or extractor marks. When I deprime, the primers feel tight when they pop out. where should I go with this? Maybe the head space is too tight? The fired brass does seem to scratches or ridges around the circumference after firing all along the case body. Could a rough chamber cause this? Should I have the smith take it back to diagnose? It was built by a very reputable and highly regarded gunsmith in Kansas City... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Brass sticking at all powder charges
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