COLT LE901/CM901 CONVERSION KIT 308 TO 556
The Colt conversion kit adapter assembly is used to convert the Colt CM901® and LE901 .308 (7.62x51mm) caliber weapon system into a 5.56mm x 45mm (.223 Rem.) caliber weapon system. It provides the end user with a method to attach a MilSpec upper receiver assembly (.250 diameter pivot pin hole) to a CM901 or LE901 lower receiver assembly and fire the weapon safely and reliably.
• Adapter Block
• Buffer Spring
• Conversion Kit Manual