The Colt Commander, adopted in the 1950’s, was the first 1911 firearm manufactured in a caliber other than .45 ACP. This specific example was chambered in .38 Super. Other Commanders were produced in .45 ACP and 9mm. This Commander is a highly modified pistol, likely designed for competition.
![Colt Commander .38 Super Colt Commander .38 Super](https://sightm1911.com/1911pix/historic/Colt_38_Super_Commander1.jpg)
Additional Resources:
Comments, suggestions, contributions? Let me know