Junior Colt .22 Short Conversion Unit - In Box
Updated August 22, 2026
| Lot number | 53 |
| Category | Firearms & Militaria |
| Auction | Collectible Firearms |
| Date | August 30, 2026 at 7:00 PM EDT |
| Auction house | ESB Auction |
| Location | Grabill, Indiana |
This rare factory accessory allows Colt collectors and enthusiasts to convert their .25 caliber Junior Colt to a more affordable .22 Short caliber. These complete conversion sets are exceptionally hard to find, especially in their original packaging. What’s Included: Conversion Slide: Blued finish, marked with standard factory Colt markings. Excellent original condition with deep bluing and clean roll marks. Magazine: Factory-original magazine in bright polished/chrome finish, wrapped in original protective paper. Original Factory Box: Vibrant red box featuring classic Colt branding on the cover, complete with internal fitted cardboard insert and the original printed lid label ("Junior Colt Conversion Unit - Converts your .25 caliber Junior Colt to fire .22 caliber short cartridges"). Condition Details: Components: Blued slide shows minimal wear and clear text markings. The magazine is clean with no visible corrosion. Packaging: Box is structurally intact with bright, clear graphics and minimal edge wear typical for its age. The insert shows minor light wear near the cutout edges.
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