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Old 02-23-2014, 7:06 AM
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Carpenter 409 Carpenter 409 is offline
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Default Pressure Reading

When you buy a rifle it's built/designed to hold a certain chamber pressure when a round is discharged. How do you know what that is, do they list it anyplace. I took a reloading class yesterday and all this talk of chamber pressure made me curious.
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Old 04-13-2014, 8:11 PM
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otteray otteray is offline
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Most reloading manuals list safe pressure ranges, too. Now that you have taken a basic class, go but a few reloading manuals. Hornady has a really nice explanation complete with pictures in their manual. It will help you to understand better what variables in reloading can change pressures.

Last edited by otteray; 04-13-2014 at 8:17 PM..
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Old 04-13-2014, 10:23 PM
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Load to within specs and then adjust from there, but you'll have to learn about pressure signs if you want to deviate from the SAAMI specs safely. Some key ones:

- heavy bolt lift or "sticky bolt"

- flattened or cratered primers

- ejector marks on the brass

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Old 04-15-2014, 9:54 PM
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Yerman Yerman is offline
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You should jump over to the reloading forum. Great advice in there and you'll probably get more responses
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