7mm stw short barrel loads

bigcasey123

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Sep 11, 2020
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So recently my Grandfather gave me his savage 110 chambered in 7mm stw. He told me that It was originally a 7mm rem mag and when the 7mm stw came out and started to become popular he sent it out to get chambered in the 7mm stw. Its a beautiful gun and im excited to try out a new cartridge. My only concern is that it has a 22 in barrel, and it has porting in the last 2 in so the barrel is pretty much 20in long. Im aware that the ideal length is 26-28 inches. My question is there an optimal load for such a short barrel? Any advice would be greatly appreciated!
 

Johnny blade

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It's really going to be up to what your gun likes. The stw that I carry the most and fits good in the Scabbard on the horse is a 700 adl in 7 mag with a 24" barrel pushing a 175 Nosler partition right @ 3000 Imr 7828 is it's favorite powder.
 

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eshorebwhntr

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Depending on your hunting conditions (open ground vs heavy brush) I would go with a 140 Berger or 140 Accubond. Try h1000 first then 4831SC. One of those options should get you something that will work.
 

bigcasey123

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Okay I will try those. I ordered the dies for the gun from midway and they should be here soon. I have 20 Winchester brass but I will probably buy 50 of the hornady brass online too. I have both the h1000 and 4831SC so I should be able to just buy some bullets and give them a whirl. Also I have some 139 hornadys laying around I might try as well.
 

eshorebwhntr

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I've mainly shot RP and Winchester brass, some Norma 300 HH fireformed. I haven't used hornady brass much but the times I have it's been inconsistent. Some lots hold up well others the pockets go instantly. I've had good luck with the RP after prepping it. Usually get at least 5 shots out of it.
 

bigcasey123

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Okay sounds good I will look into it. I've used Hornady brass with some success before (other calibers) but its good to know that the RP should be good.
 

J E Custom

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You might also consider IMR 7828 powder because it was developed for the 7 STW. It seems to be one of the height velocity powders in a 24 " barrel but shorter barrels for the STW are rare and uncharted territory. IMR 4831 is a very forgiving powder with a slightly faster burn rate than other recommended powders and might work best in a 20 to 22 " barrel. There are loads for Imr that could be used for the 140 class bullets.

J E CUSTOM
 

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