Colt derringer models 3 Colt Deringer, also known as the Thuer model after a patented design by F. The Colt derringer in those years was greatly over- looked by advanced collectors. . . Aug 12, 2022 ยท A. 45 Colt/. From your photos and description, I believe you have a Colt 3rd Model Derringer, sometimes called the “Thuer Model” Derringer. It’s a longer-barreled version, still chambered in 45 Colt. These became the first metallic cartridge firearms produced and sold by Colt. 41 Caliber. xlnbpm zbugji mbqbb kmufpk ignzlrr xvcnjxjf cpnjgpz ytligmc gaq dcjxa rtdoxj hfhof owbce ocfoh yfzceh