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Shooting & Reloading - Mausers, Big Bores and others >> Muzzleloaders & Blackpowder

DarylS
.700 member

Reged: 10/08/05
Posts: 27627
Loc: Beautiful British Columbia, Ca...

Re: Big bore Underhammers
06/09/07 01:51 AM

Martin, 140gr. is not a double charge in a well made 12 bore. 2F or 1F should be used in the 12 bore with round balls, by the way, as they develope much less pressure and a slower pressure rise than 3F. It is possible your 3F in Argentina is not as strong as GOEX or Swiss is here.
: 2 normal charges in a 12 bore smoothbore, shot with round ball, are 5.5 drams at 150gr. and 7 drams, at 191gr. The was also a light load of around 115gr.
: I have used both these charges in 2 3/4" plastic shells in my double 12 smoothbore with round ball giving proper regulation and good accuracy.
: The 7 dram load kicks pretty hard. One must 'steel' oneself against the 'hit'.
; I know of a couple guys with 12 bore Pedersoli double rifles who use up to 175gr. T-7 fake black powder.

--------------------
Daryl

"a gun without hammers is like a Spaniel without ears" King George V

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Subject	Posted by	Posted on
Big bore Underhammers	pjb	03/09/07 11:59 PM
Re: Big bore Underhammers	beleg2	04/09/07 04:03 AM
Re: Big bore Underhammers	DarylS	06/09/07 01:51 AM
Re: Big bore Underhammers	beleg2	06/09/07 04:20 AM
Re: Big bore Underhammers	DarylS	06/09/07 12:43 PM

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