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This Wildcat Cartridge was designed
in the mid 1950s, by R. (Rocky) E. Gibbs.
It is a 30-06 cartridge case blown out and
the shoulder angle increased and neck
shortened to increase  powder capacity.
Mr. Gibbs  called it " The Worlds most
powerful 30-06."
The larger case capacity (an average
of 7 grains more powder) gives a 150
grain projectile a velocity of 3,285
(F.P.S.)
vs. 2,900 (F.P.S.) in the normal 30-06 loading.
Note the comparison in the smaller
picture, 30 Gibbs on left, 30-06 on right.
Wildcat
30 Gibbs
.
$ 4.95 per
Cartridge
.
.
("Parent Cartridge")
30-06
.
30 Gibbs
Cartridge
30-06
30
Gibbs
30
Gibbs
30
Gibbs
New Product, with
30 Gibbs
Head Stamp