Rick, it is a Series 80 Firing System with a Dual Spring Recoil System.

its a series 80 see ******UPC:
098289111906
Description:
CLT COM ELI COMM 45AP PST 8RD
Brand:
Colt
Model:
Combat Elite Commander
Type:
Pistol: Semi-Auto
Caliber:
45AP
Finish:
TT Elite
Action:
Single Action
Stock:
G10 Half Checkered with Scallop
Sight:
FT: Novak Night RR: Novak Low Mount Night
Barrel Length:
4.25
Overall Length:
7.75
Weight:
33 oz
Capacity:
8+1
# of Mags:
1
Safety:
Extended Thumb, Beavertail Grip, Firing Pin
Receiver:
Stainless Steel
Features:
Upswept Beavertail Grip Safety, ******Series 80;
Polished Slide Flats, TT Elite Finish