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Load work ups...shooting in this heat #6401266 08/10/16 01:42 AM
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Deerhunter61 Offline OP
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Guys,

I'm curious what effect you believe it would have on accuracy for me to go to the range and shoot the rounds for a new load for my .243? The rifle is just a hunting rifle.

Thanks,

Re: Load work ups...shooting in this heat [Re: Deerhunter61] #6401337 08/10/16 02:25 AM
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Heat, no doubt, effects the barrel, and effects the groups. But if you shoot slow and only a few (3-6 rounds) rounds at a time and cool the barrel between groups, it will be fine. I have to dial in multiple rifles in the heat, and I keep a cool, moist towel wrapped around the barrel to cool it off between strings.

If you want to shoot 10-20 shot strings all at once on an unbedded, hunting rifle with a thin barrel, shots will certainly begin to walk around on you.


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Re: Load work ups...shooting in this heat [Re: Deerhunter61] #6401518 08/10/16 04:35 AM
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I agree with Chad, but I also make an effort to use as many temperature insensitive powders (Varget, etc) as I can for my various calibers/loads, especially in Texas with the drastic temp swings from season to season. I believe it's a safer bet too.


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Re: Load work ups...shooting in this heat [Re: kry226] #6401853 08/10/16 02:45 PM
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^^I agree with these two^^

Also, load testing it 100 degree weather is a good thing. If it doesn't over-pressure now, it never will. Work up a stout load in 50 degree weather and it might cause troubles for you in 100 degree weather.


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Re: Load work ups...shooting in this heat [Re: Deerhunter61] #6402122 08/10/16 05:12 PM
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I'll attest to that.


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Re: Load work ups...shooting in this heat [Re: J.G.] #6402518 08/10/16 08:53 PM
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Originally Posted By: FiremanJG
^^I agree with these two^^

Also, load testing it 100 degree weather is a good thing. If it doesn't over-pressure now, it never will. Work up a stout load in 50 degree weather and it might cause troubles for you in 100 degree weather.


^^^^THIS^^^^

I'd rather test now than in the winter...but I go early or late and attempt to get it all done before the mirage gets too bad.


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Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
Re: Load work ups...shooting in this heat [Re: Deerhunter61] #6403459 08/11/16 02:38 PM
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I'll post up some groups yesterday from a semi-custom Tikka build in 6.5-06 that shot near same hole at 200 yards!


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Re: Load work ups...shooting in this heat [Re: Deerhunter61] #6404658 08/12/16 11:54 AM
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I shoot 3 rds open bolt sit in shade ect


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