Pressure Signs starting very early...

OP
D
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Coeur d' Alene, ID
A primer switch would probably not do much in this case. Also not 100% sure but I know Remington uses a lot of Hodgdon powder in their loads. It highly doubt it’s RL22 which is known to be temp sensitive also.
I’d back down your load and start at about 80 or 81gr and work up if you want to continue using RL22.

I am not married to RL 22. I was just going of the data Lyman provided. It said RL 22 was the most accurate tested with a load at 90.3 grains, which in my case will not be true. After the info I have seen here regarding the A frames, I am thinking I will go back to the Noslers bullets and use their data. When they say a load and powder is the most accurate they tested, it has been true in my experience.
 

Fire_9

WKR
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Dec 29, 2015
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MT
Yes there is. Before moving onto to test loads, I gave the barrel a cleaning. So there is a chance some was in there that I missed.

I am also going to find some different primers. I read that some primers cause higher pressures than others. I am going to find some Remington Primers and see if that helps as well.

Any water, oil, or solvent in your chamber can give you pressure signs. Swab your chamber out and give it another go
 
OP
D
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Coeur d' Alene, ID
Well according to the Swift book the range for your caliber, bullet and powder is 82.8-89

That makes a lot of sense. Strange Lyman would publish loads that contradict the manufacturer, seems like they could get in trouble. Good thing I didn't try their recommended load of 90.3! Any chance you could PM me a pic of that data? I reached out to swift but haven't heard back.
 

260madman

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I use RL22 in my 7RM and can say that it Is not consistent from lot# to lot#
 

fraz01

FNG
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Dec 6, 2019
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I've used the A Frames in .30 and .416 calibers. Like you stated they are very good bullets when used for their intended purpose. Your pressure problem may be due to the brass if you are using fired factory loaded rounds. I've had trouble with factory loaded Rem 300 Wby and Federal HE 338 WM cases. The factory loads shot great, think they were loaded a little hot at the factory. Have also started using Rl23 in place of RL22 with a couple of rifles. SD's have been very good using 23.
 
OP
D
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Nov 1, 2017
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Coeur d' Alene, ID
I've used the A Frames in .30 and .416 calibers. Like you stated they are very good bullets when used for their intended purpose. Your pressure problem may be due to the brass if you are using fired factory loaded rounds. I've had trouble with factory loaded Rem 300 Wby and Federal HE 338 WM cases. The factory loads shot great, think they were loaded a little hot at the factory. Have also started using Rl23 in place of RL22 with a couple of rifles. SD's have been very good using 23.
So do you think that ruined the brass? Everything I can tell from inspection after a FL resize, they show no signs of being worn out after one use. I did buy a box of A Frames, but after struggling with the new bullets, I have went back to the Nosler Accubonds. I dont want to give up on the a frames, but I feel I would have wasted the box chasing the accuracy I had from the factory rounds.
 

fraz01

FNG
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Dec 6, 2019
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The 2 cases above had loose primer pockets and swelled above the belt after FL sizing. If I remember right both loads were crimped. The federal HE were nickel cases. I always trim factory loaded cases .015 to .020 from SAAMI spec to clean and square them up.
 

seand

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Sep 22, 2012
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Tigard, Oregon
You are flying blind without a chrono. Results will vary depending on chamber and bore, if the velocity matches or exceeds book, you are at or over pressure.
 
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