Comp-Tac has a magazine holder for your Colt PCC. Made for competition it can hold a spare magazine securely with a sliding locking push button. Made to adjust the cant for the way you like to carry it is adjustable for up to 270 degrees of cant.

Specifications and Features:
Comp-Tac PCC PLM Magazine Pouch #29 C69329000RBKN
OWB
Push Button Locking Tension Screw for Perfect Fit
Width Adjustment from 0.25" to 2.25"
9 Mounting Holes Adjustable Cant 270 Degrees
Left Hand Shooter Ride Side Carry
Polymer
Black

Fits:
CZ Scorpion
Left Handed