Bolt stick
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dougduey
Well-Known Member
Reread QuietTexan & MagnumManiac's post again. They are spot on.
I went through a similar issue with a tight chambered 6.5-284 Norma. Had to drop down to a lower accuracy node when using resized brass, which was like 4 gr., otherwise I had extraction issues. Don't make the mistake I did, which was oversize the brass because you'll get a case head separation.
I went through a similar issue with a tight chambered 6.5-284 Norma. Had to drop down to a lower accuracy node when using resized brass, which was like 4 gr., otherwise I had extraction issues. Don't make the mistake I did, which was oversize the brass because you'll get a case head separation.
Some body asked if it's a Redding full length sizing die yes it is. Another asked on action it's a sako action. Another asked about other pressure signs. No I have not noticed any and primers are tight. I rechambered a round after collecting it up with a sharpie. It. Shows where it is grabbing just 3/8 inch up from base and about 3/8" wide
I would resize one and then mark it with a sharpie, chamber it, and see if the marks are still there.
BigNate
Well-Known Member
It may be the brass has expanded just above the thickening portion nearing the case head. This looks to me like your first firing was way over pressure.
How confident are you that you're not getting into the lands?
Between your starting load and distance to lands you may be very near a failure.
I'd recommend starting from scratch. Verify COAL with the brass and bullet you are using. Verify your starting load data, with consideration for primer variances as well. Starting lower may burn a little bit more in components, but will make finding an accuracy node, and watching for pressure signs easier than starting hot and trying to stumble across a good load.
Are you able to chronograph your loads during development?
How confident are you that you're not getting into the lands?
Between your starting load and distance to lands you may be very near a failure.
I'd recommend starting from scratch. Verify COAL with the brass and bullet you are using. Verify your starting load data, with consideration for primer variances as well. Starting lower may burn a little bit more in components, but will make finding an accuracy node, and watching for pressure signs easier than starting hot and trying to stumble across a good load.
Are you able to chronograph your loads during development?
BigNate
Well-Known Member
Well you're going to have to tell us your approach and results. Seems like you started pretty hot to me.
Seabeeken
Well-Known Member
I ran it again this morning. Started at 79 grains retumbo no problem. Went to 80 grains no problem. Went to 81 slight stick and 82 heavy stick. Why am I hitting pressure quicker than others. Some guys are reporting 85-86 grains.
Every rifle is different. Not sure where you heard people running 85-86 grains of Retumbo. My rifle shoots well at 82.5 but the ADG brass only lasts for a couple reloads so it is pretty hot. If I was running what you are it would be one load and done on the brass.
My experience is Peterson takes more abuse but ADG is better than the other couple options. I am sure others will disagree but that's what I have found. The problem is getting Peterson. They didn't respond to me when I emailed them a couple weeks ago to see when they will do a run of 28 Nosler. I would love to find some but I have had no luck. That's a hint if anyone has some they want to sell.
