September 7, 2020, 11:12 AM | #26 | |
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All else being equal (and it almost never is) bigger bullets tend to work better. |
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September 7, 2020, 12:02 PM | #27 | |
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Even though I titled thread Starline Brass, it was really about an over pressure ptoblem observed using Starline brass. I now believe the problem was a combination of Starline brass, hot published load data, and a powder lot that seems wildly unforgiving. |
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September 7, 2020, 07:25 PM | #28 |
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I agree that this thread turned out to have nothing to do with Starline brass, which I personally have confidence in.
Starline may have slightly less case capacity. That is why whenever you change components you start testing at starting loads as standard procedure. Max loads in magnum cartridges is dicey. Don't blame the brass, because you did not work up your load. I would order Starline 5.56 today, if it was available. And wish they made 300 WM.
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September 7, 2020, 07:40 PM | #29 |
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Based on what you've said, I'd say the problem isn't Starline brass alone, but failure to work up to a safe level load with the Starline brass.
Complicated by using someone else's data (derived with different components in a different firearm) at face value, and possibly and "unforgiving" powder choice.
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September 23, 2020, 04:46 PM | #30 |
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Only other thing that comes to mind after reading through this thread. Once I had some imperial sizing wax that didn't get wiped off the case. When the bullet was fired the brass couldn't hold to the chamber and resulted in the case trying to back out. End result was a blown primer and a good extractor mark like the op describes. Just a thought....
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