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ozhunter
.400 member

Reged: 18/08/04
Posts: 1692
Loc: Sydney, Australia

Re: What caliber for extra barrels on a 470? [Re: mickey]
#177509 - 21/03/11 05:32 PM

9.3x74 and a set of 12ga (or 20ga if that suits the frame better).

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Sikahunter
.224 member

Reged: 05/02/09
Posts: 41
Loc: Delaplane, Va. U.S.A.

Re: What caliber for extra barrels on a 470? [Re: ozhunter]
#177979 - 30/03/11 11:08 PM

John, I think you're on the right track with the .375 flanged.

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Kebco
.300 member

Reged: 22/05/06
Posts: 104
Loc: PA, USA

Re: What caliber for extra barrels on a 470? [Re: Sikahunter]
#177982 - 30/03/11 11:32 PM

As already mentioned you need to be careful that the second set of barrels is close to the original in weight otherwise you will have a unbalanced gun.

I have currently on order a V-C in 450 Nitro with a second set of 375R V-C barrels and another gun in 375Flanged with a second set of 303 barrels

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BigFiveJack
.333 member

Reged: 25/12/05
Posts: 256
Loc: Half hour North of Tampa Bay F...

Re: What caliber for extra barrels on a 470? [Re: Kebco]
#179573 - 21/04/11 04:38 PM

How about a 450/400 3" using a 360 grn bullet
regulated at 2300-2400 FPS, (this is .305
sectional density, same as 30 grn .375" diam
bullet at near the same velocity) Hornady brass
at good price available, and I am sure North Fork
and G S Custom can make your bullets.

--------------------
Cordially,
Jack

NRA Endowment Member
DRSS Member

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bonanza
.400 member

Reged: 17/05/04
Posts: 2335
Loc: South Carolina

Re: What caliber for extra barrels on a 470? [Re: jaz]
#179588 - 22/04/11 12:24 AM

.577 2-3/4" with the 650 grain

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