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#6401266 - 08/09/16 08:42 PM Load work ups...shooting in this heat
Deerhunter61 Offline
THF Trophy Hunter

Registered: 08/27/08
Posts: 7353
Loc: DFW
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,

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#6401337 - 08/09/16 09:25 PM Re: Load work ups...shooting in this heat [Re: Deerhunter61]
ChadTRG42 Offline
THF Celebrity

Registered: 09/16/09
Posts: 11666
Loc: Lewisville, TX
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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#6401518 - 08/09/16 11:35 PM Re: Load work ups...shooting in this heat [Re: Deerhunter61]
kry226 Offline


Registered: 01/11/09
Posts: 5237
Loc: Germany
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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#6401853 - 08/10/16 09:45 AM Re: Load work ups...shooting in this heat [Re: kry226]
FiremanJG Offline
THF Celebrity

Registered: 12/16/08
Posts: 22075
Loc: Wolfe City, TX
^^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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#6402122 - 08/10/16 12:12 PM Re: Load work ups...shooting in this heat [Re: Deerhunter61]
RiverRider Online   content
THF Trophy Hunter

Registered: 11/11/07
Posts: 7396
Loc: Wise Co.
I'll attest to that.
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#6402518 - 08/10/16 03:53 PM Re: Load work ups...shooting in this heat [Re: FiremanJG]
Judd Offline


Registered: 01/22/09
Posts: 11448
Loc: Sachse, TX
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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#6403459 - 08/11/16 09:38 AM Re: Load work ups...shooting in this heat [Re: Deerhunter61]
ChadTRG42 Offline
THF Celebrity

Registered: 09/16/09
Posts: 11666
Loc: Lewisville, TX
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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Custom and Precision Ammunition!!
www.DallasReloads.com
Type 01 and Type 06 FFL

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#6404658 - 08/12/16 06:54 AM Re: Load work ups...shooting in this heat [Re: Deerhunter61]
colt45 Offline
THF Trophy Hunter

Registered: 08/19/06
Posts: 7463
Loc: bastrop county
I shoot 3 rds open bolt sit in shade ect
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