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Moly coat and extreme velocity spread?

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Old 03-24-2012, 06:52 PM
Silver Member
Join Date: Dec 2010
Location: Booneville, Ar
Posts: 290
Moly coat and extreme velocity spread?

Hey fellas, Funny thing happened at the range today. A friend of mine and me were trying out some 40 gr Bergers for our .204s. My friend built all these bullets at the same time with the same equipment parts etc... except he used 27gr of H4895 in his and 26.5gr of the same in mine and he Moly coated his bullets and not mine. The odd thing was that his E.S. was 17fps while mine was 116fps. so we decided that it wouldn't harm are rifles to bad to just shoot a couple of each other's rounds. When we switched he got an E.S of 138fps and when I shot the Moly coats I got an E.S. of 18fps. What the heck? Does moly coat cut down on that much E.S. or what? He has never used a chrony before but always swore by Moly coat that it makes tighter groups for him. What are we seeing here? Other than the Moly coat and the grains of powder everythig else was identical. Your thoughts please. Thank's, Brad
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Old 03-24-2012, 09:07 PM
Gold Member
Join Date: Apr 2009
Location: Carrollton, Ohio
Posts: 533
Re: Moly coat and extreme velocity spread?

The experiment is not derived from scientific method; so you can't make any conclusions from it.

It reminds me of a guy that said he developed a specific load in his rifle, but when he switched to CCI primers his groups tripled in size. Therefore, CCI primers were trash.
"If you love wealth more than liberty, the tranquility of servitude better than the animating contest of freedom, depart from us in peace. We ask not your counsel nor your arms. Crouch down and lick the hand that feeds you. May your chains rest lightly upon you and may posterity forget that you were our countrymen."-- Samuel Adams
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Old 03-24-2012, 11:53 PM
Silver Member
Join Date: Dec 2010
Location: Booneville, Ar
Posts: 290
Re: Moly coat and extreme velocity spread?

I'm not claiming that Moly coated bullets lessen E.S. just stating what we seen today and asking if others have witnessed any thing like this. Brad
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