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#66174 - 03/10/10 12:29 PM

Velocity vs. Barrel length

down with 460
journeyman

Registered: 03/03/10
Posts: 78
Loc: IL

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Anyone have an idea of velocity out of a 18" barrel using the Hornady 200grn. Round is 460. They are saying 2200 fps, but what length barrel did they use for that. I am awaiting my barrel right now from MGM, just trying to get some idea. When it is all said and done, I wiil shot through a chrony.
Thanks.

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#66184 - 03/10/10 01:37 PM

Re: Velocity vs. Barrel length [Re: down with 460]

s4s4u
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Registered: 01/18/04
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Loc: Northern MN

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Being the 460 is primarily a handgun cartridge they would have used a handgun, it seems that 7-1/2" is what I see on most literature. I think I saw where someone was getting around 2,500 from a 15" Encore, over at SP.

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#66287 - 03/12/10 09:33 AM

Re: Velocity vs. Barrel length [Re: s4s4u]

down with 460
journeyman

Registered: 03/03/10
Posts: 78
Loc: IL

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Good to know, thank you. This 18" should put them out there pretty good then.

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#66295 - 03/12/10 11:37 AM

Re: Velocity vs. Barrel length [Re: down with 460]

wizzard
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Registered: 01/14/10
Posts: 113
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I wonder how much of that came from simply having a longer barrel and how much (if any)is because there is no pressure loss on the encore where a revolver may lose some between the magazine and barrel...

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