Colt Automatic Caliber .25 (OD-Prefix U.S. Production) .25 ACP, 2.25 in Barrel, 6+1, Blued, MFD. 1972
This U.S.-made Colt Automatic Caliber .25 is an OD-prefix variant produced during 1971–1973 and manufactured for Colt by Firearms International in Florida. It is a micro-size, steel-frame, blued pistol chambered in .25 ACP with a 2.25 in barrel and 6+1 capacity. The OD-prefix enables year dating; this example is MFD. 1972.
Condition
Overall Condition: Fair condition, showing extensive signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: There are scratches and blemishes present. There is significant finish loss at the rear of the slide and on the frame. The bore shows light wear consistent with use.
What's Included
- Colt Automatic Caliber .25 pistol (MFD. 1972)
- 1x 6-round steel single-stack detachable magazine
Designed after the 1968 Gun Control Act ended importation of the Spanish-made Junior, this OD-prefix U.S. production model represents Colt’s domestic continuation of the .25 ACP pocket pistol line. The OD serial prefix allows for year identification, placing this pistol in 1972.
It uses a simple blowback, single-action system with a ring-style exposed hammer and a single-action trigger. Controls include a heel-type magazine release, a thumb safety, and a magazine safety.
Dimensions and capacity suit deep concealment and carry convenience: micro size, a 2.25 in barrel, approximately 4.5 in overall length, and a 6+1 capacity. The slide features vertical rear serrations and a serrated top rib, paired with fixed integral sights (blade front, notch rear).
Construction is all steel with a blued finish on both frame and slide. Checkered wood grips with Colt medallions complete the classic presentation of this U.S.-made variant produced by Firearms International for Colt.




