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HiBC · November 22, 2018, 10:08 AM

There has been more testimony to support what I was trying to say in post 25.

I'm talking about human fallibility.I have that.This is not a put down of the OP.

Op mentioned he loads 22-250. We talked about the 4895,oops,4064,and powder in the hopper.

We have an unexplained mystery overpressure.

Hypothetically,if I had "stuff" from my last session on my bench,a box of 75 gr Hornady .224 bullets,.223 dies in the press a RE-15 powder can out,and a half hopper of powder in the measure,I have a preponderance of evidence that its PROBABLY RE-15 in the hopper.
I sure hate to waste powder. If I had made a label and put it in the hopper,then I documented the chain of custody,with forethought,in the moment.
I would return it to the can IF I labeled it.

But no amount of circumstantial evidence or memory is good enough. Dumping it on the lawn is my penalty for being sloppy.

A sleeper can enter your powder supply. The mystery .308 overpressure can come from a mistake during a 22-250 session weeks ago. Hopper powder getting poured in the wrong can.

And if the mystery is not explained yet,Murphy says it can,and will occur again.
I can't say that is what happened. I don't know.

Its a bummer root cause is undiscovered.

Have a process you follow that prevents the effect of human error.

November 22, 2018, 10:08 AM	#31
HiBC Senior Member Join Date: November 13, 2006 Posts: 8,286	There has been more testimony to support what I was trying to say in post 25. I'm talking about human fallibility.I have that.This is not a put down of the OP. Op mentioned he loads 22-250. We talked about the 4895,oops,4064,and powder in the hopper. We have an unexplained mystery overpressure. Hypothetically,if I had "stuff" from my last session on my bench,a box of 75 gr Hornady .224 bullets,.223 dies in the press a RE-15 powder can out,and a half hopper of powder in the measure,I have a preponderance of evidence that its PROBABLY RE-15 in the hopper. I sure hate to waste powder. If I had made a label and put it in the hopper,then I documented the chain of custody,with forethought,in the moment. I would return it to the can IF I labeled it. But no amount of circumstantial evidence or memory is good enough. Dumping it on the lawn is my penalty for being sloppy. A sleeper can enter your powder supply. The mystery .308 overpressure can come from a mistake during a 22-250 session weeks ago. Hopper powder getting poured in the wrong can. And if the mystery is not explained yet,Murphy says it can,and will occur again. I can't say that is what happened. I don't know. Its a bummer root cause is undiscovered. Have a process you follow that prevents the effect of human error. Last edited by HiBC; November 22, 2018 at 10:15 AM.