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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns

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chapmen
.300 member

Reged: 26/02/10
Posts: 229
Loc: Middle of germany

Re: Hammer Falling Block signed Miller&Greiss München [Re: 93x64mm]
#268225 - 19/07/15 08:34 PM

Just made an casting.

barrel is 7.92mm / 8.15mm, throat 8.3mm.
Twist is 320mm / what is around 12,5".
I am in the lucky position to have an quite big ammount of the Hirtenberger factory made ammo,
so i think i dont have do reload the next twenty years.
But also it would be interesting to know what the rifle says to cast bullets....and yes, i can cast bullets on my own.

--------------------
some fine old guns from germany :
www.jagdwaffensammler.de

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chapmen
.300 member

Reged: 26/02/10
Posts: 229
Loc: Middle of germany

Re: Hammer Falling Block signed Miller&Greiss München [Re: kuduae]
#268227 - 19/07/15 08:55 PM

Quote:

Right in part only. The gauge numbers did not indicate the groove diameter, but a diameter between the lands only. It was measured at the proofhouse using cylindrical plugs. The largest number that passed the barrel was stamped. There were no intermediate steps from gauge number to gauge number. Here a # 156.14 = 7.87 mm = .310" plug passed the barrel. but a # 141.96 = 8.13 mm = .320" one did not. So the actual bore/land diameter of a Barrel marked 156.14 may have been as large as 8.12 mm = .319".

My mistake- i mixed groove and land ........

--------------------
some fine old guns from germany :
www.jagdwaffensammler.de

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lancaster
.470 member

Reged: 06/05/08
Posts: 8716
Loc: There's a lighthouse in the mi...

Re: Hammer Falling Block signed Miller&Greiss München [Re: chapmen]
#268235 - 20/07/15 12:30 AM

seems you are quite right with the Hirtenberger ammo in this rifle.
would be nice if you can shoot this load through a chrony sometimes.

--------------------
Norwegian hunter misses moose, shoots man on toilet
.
bringing civilisation to the barbarians

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