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$ 2.50 per
Cartridge
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6.5mm TCU
("Parent Cartridge")
.223 Remington or 5.6x45mm
6.5mm TCU
for
(Thompson Center/Ugadle)
Developed in the 1970's by Wes Ugalde
of Nevada for the Thompson Center
Single Shot Pistol to use in silhouette
competition.
Formed from the .233 or (5.656x45mm)
Remington, the case mouth is  increased  
from 22 caliber to 6.5mm and the angle
of the case to the neck is increased from
23 degrees to 40 degrees, case length is
almost the same, but the shape is
definitely different from the .223
Remington!.
Wildcat
6.5mm TCU
.
Cartridge
.223
6.5 TCU