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Wildcats
Tuba
4 Different Tuba Wildcats
This idea started as a novelty dummy cartridge, but there may be more to it in the future,
as the idea of a large base case necked down to a small bore, or so called super short
magnums, is catching on fast.
The reasoning behind the idea is to solve the vexing problem: to stop pushing
large amounts of unburned powder down the barrel.
With these funnel shaped cartridges all the powder should be vaporized long
before they reach the rifling, or at least that is the idea.
Thanks to Zack Weighman, a highly respected cartridge collector and wild-catter
from Michigan, we now have the first real Tuba wildcat cartridges that have been
shot from a firearm.    
Below please find:
2 Experimental Models:
.17 Tuba Mark I &
.22 Tuba Mark I
and
2 Working Phototypes:
.22/44 Tuba Mark II (Rimmed)
& .22/45 Tuba Mark II(Rimless)
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CNC Machine
used to make the
.17 & .22 Tuba Mark I
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.17 Tuba Mark I
A non working dummy model cartridge,
made from solid brass on a CNC Machine
(see Above) .17 caliber. 18 grain H.P.
and dummy primer
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$ 9.95 per Cartridge
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.22 Tuba Mark I
A non working dummy model cartridge,
made from solid brass on a CNC Machine
(see Above)
.22 caliber. 55 grain FMJ and
dummy primer
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$9.95 per Cartridge
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.22/45 Tuba Mark II (Rimless)
Soon to be a working phototype cartridge,
made in a 5 step process of necking down
a .45 ACP to .22 caliber
55 grain FMJ and  dummy primer
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$9.95 per Cartridge
.22/44 Tuba Mark II (Rimmed)
A working phototype cartridge, made
in a 5 step process of necking down
a .44 Remington Magnum to .22 caliber
55 grain FMJ and  dummy primer
The .22/44 Mark II (rimmed)  has been fired in a custom rifle and is currently being
tested, ballistics to follow.
The .22/45 Mark II (rimless) is awaiting funding to test in a 45 ACP pistol.
(I look forward to that idea).
A portion of the profits from the sale of these cartridges will help fund future testing.
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$9.95 per Cartridge
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45
ACP
44 Rem
Magnum
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