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Barrel length for slow buring powder

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Old 04-29-2013, 04:03 PM
Platinum Member
Join Date: Jan 2008
Location: Northeast
Posts: 2,223
Re: Barrel length for slow buring powder

I have found no rule of thumb for this. My 24" 300WM gives the best ES (5-10), with 100 FPS greater velocity with slow burning Retumbo when compared to faster burning H1000 or H4831sc. Same holds true with my 6.5x284's in 24 and 26" barrels.

"Let us speak courteously, deal fairly, and keep ourselves armed and ready"-T. Roosevelt
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Old 05-01-2013, 05:37 PM
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Join Date: Mar 2011
Location: Reno, Nevada
Posts: 778
Re: Barrel length for slow buring powder

Thanks that all makes sence...............................
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Old 05-01-2013, 07:42 PM
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Join Date: May 2008
Location: Ohio
Posts: 248
Re: Barrel length for slow buring powder

There is no direct relationship between bbl length and powder burn rate. Just because someone says well that short of bbl won't shoot well with that slow burning powder is misinformation. Certain powder selections work best based on caliber & bullet, not bbl length. Use whatever suggestions are found in your reloading manual for your specific bullet and caliber. Then go out and find what shoots best.
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