RARE Colt M45A1 CQBP Prototype – IonBond Zinc Brown Finish – Includes Colt Archive Letter

This is an extremely rare factory prototype Colt M45A1 Close Quarters Battle Pistol (CQBP) chambered in .45 ACP.

Key Details:
• Manufacturer: Colt
• Model: M45A1 CQBP Marine
• Caliber: .45 ACP
• Finish: IonBond Zinc Brown (one of the early test finishes that later became the production Decobond/Zinc Brown)
• Includes official Colt Archive Letter documenting its prototype status
• Used condition – remains in excellent shape with minimal wear

This is one of the scarce prototypes sent for testing related to the improved finish that was later adopted on production M45A1 pistols. Extremely hard to find with the archive letter.

Serious collectors only. 

Wire transfer only. 
Buyer pays all transfer fees and shipping (if applicable). 
No trades preferred at this time.

Please do your own research on the rarity and history of these prototypes. 
Feel free to ask any questions.