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Mar 25th, 2012
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How much effect does pressure have on barrel life? #6890348
09/18/17 01:42 AM
09/18/17 01:42 AM
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Posts: 826
Texas
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Smokey Bear Online content OP
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Texas
While I was waiting for my rem mag to cool between groups yesterday I shot my 223 bolt gun. I have a low pressure Varget load that shoots pretty good and an IMR 8208 XBR load that is .3 grains below pressure signs that shoots lights out. I usually shoot the Varget load and reserve the XBR for serious target work, which for me is not that often. I'm an experienced shooter and reloader and shoot a good bit. I'm also fairly new to this site. It appears there is a lot of knowledge and experience here. Particularly shooters that take it a lot more serious than me.
On to my question: would you roll with the high pressure load full time and not worry about a shorter barrel life and a load that had its back to the wall, or go easy on a sweet shooting little varmint gun and save the high pressure load for times you are serious about it? How does the brain trust weigh in?

I shot Varget out of it for the most part yesterday, but did shoot a three shot group with the XBR. I just learned how to post pics and there are some targets still in my range bag. I will mark up a couple targets and take a couple pics.



Smokey Bear---Lone Star State.
Re: How much effect does pressure have on barrel life? [Re: Smokey Bear] #6890374
09/18/17 01:57 AM
09/18/17 01:57 AM
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Royse City, TX
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patriot07 Offline
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How far are you shooting? 100 yards - roll with the light load. Past 300-400 yards - I'd probably shoot the faster stuff.

Either way - nice shooting!

Re: How much effect does pressure have on barrel life? [Re: Smokey Bear] #6890401
09/18/17 02:33 AM
09/18/17 02:33 AM
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Texas
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Smokey Bear Online content OP
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I shoot coyotes with it mostly and pop a couple does in the bean each year. It is a light sporter that I usually shoot 55 grain bullets at 300 and closer.


Smokey Bear---Lone Star State.
Re: How much effect does pressure have on barrel life? [Re: Smokey Bear] #6890844
09/18/17 03:27 PM
09/18/17 03:27 PM
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Lewisville, TX
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ChadTRG42 Offline
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Out of a 223, I wouldn't worry too much about it. Run whichever you like for that application. 223's have decent barrel life already, so a hotter load would be fine.



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Re: How much effect does pressure have on barrel life? [Re: Smokey Bear] #6890897
09/18/17 04:09 PM
09/18/17 04:09 PM
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West Texas
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To the OP's direct question, higher velocities + higher pressures. Can't have one without the other. Higher pressures = shorter barrel life.

Re: How much effect does pressure have on barrel life? [Re: Smokey Bear] #6900162
09/27/17 01:44 AM
09/27/17 01:44 AM
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South Arkansas
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earl39 Offline
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Don't remember exactly but read once that barrel life can be calculated by the amount of powder put thru it. Has a lot to do with heat and how hot for how long at a time. Every time you pull the trigger you are in essence putting a plasma torch down the barrel for a microsecond.


"And you shall know the truth, and the truth shall make you free.” John 8:32 (New King James Version)
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