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Post by snakereaper on Jun 9, 2019 9:39:00 GMT -5
2019 07:30 PM I am fixing to have a 300wsm xp 100 built. It will have a 16 barrel. I will be using 180 sst and wi chester brass and either cci or federal primers.I am not wanting any load data I have that in manuals. My question is to all that load for this cal in rifle or pistol. So my question is i have 3 powders in mind H4350 , IMR 4831 OR THE Superformance. Out of this 3 what do all think would be best to start with? The reason I only considering this 3 is I can use all 3 in other cal from creed to prc to 300 mag. The superpeformace looks like in the hornady reloading manual would give best speeds starting out . But I have used IMR in 300 before with good results . But the H4350 looks like the most universal followed by Superformance. I kniw also that it all depends on what the gun likes. I am just asking what other people has found to there liking. would be the 4350 be a better choice to start with?
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Post by silcott on Jun 9, 2019 15:05:39 GMT -5
IMR4350 was my go to powder for my 300wsm. It was a 18” m77, the gun love it.
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Post by nvcaller on Jun 15, 2019 10:45:30 GMT -5
Barrel length will be a factor in choosing powder. Powder that is slower in a short barrel will not be used up as if it was shot out of a 26 inch barrel , that would create a softer pressure curve. 4350 shoots well and burns faster that a lot of the 300 powders.short barrel you might increase bullet weight to get better burn .
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