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Old 04-02-2010, 02:14 AM   #1
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Default Do you measure your chambers?

For years I have reloaded and used the case overall length listed in the various manuals and with most guns have had good luck and decent groups.
Over the years I have tried different methods to crudely measure my chambers,but rarely went more than a .10" or two farther out than what the manuals said.
I bought a Hornady OAL gauge set and was really surprised when I measured the chambers on my Savage 25/06 and 300WM. I can go another .250-.300" on some loads and still stay off the lands .30-.40. I didn't think it would be that big a difference,but was I wrong.

This has got to be the easiest way to precisely measure the chamber of any rifle.I wish I would've bought this a long time ago.



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Old 04-02-2010, 09:52 AM   #2
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I'm new to reloading, but why not just use a dial caliper?
I've measured the depth of a few of my chambers compared to my factory ammunition just to see if there was a difference but dont remember the result.



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Old 04-03-2010, 01:22 PM   #3
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I bought a Hornady OAL guage a few months ago. Got the equipment to measure .223 & .308. Between work & the weather I havent got to give my reloads a real good workout, but from what I have shot I'm happy with the results. My groups have tightend up some. I haven't ran any through the crono yet, but might get to later today or Sunday.

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Old 04-03-2010, 09:26 PM   #4
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Default tx hillbilly

i would be interested to see how this tool works can i have one for 7.62x39.and for the grand finally,what is the most excepted rule for the distance to keep obviously you dont want the bullet in the lands i ask out of ignorance not jest

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Old 04-04-2010, 06:35 PM   #5
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You can also have a smith do a cast of your chamber. That way you have a permanent reference piece to measure and look at. It will also tell you your throat length. Just a thought.



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