The Colt Conversion Kit contains the complete upper receiver group, including a charging handle, bolt carrier group, and back up sight. Its barrel features a 1/7 right hand twist. Now you can convert any Colt rifle to the most state of the art configurations.
|Series||Upper Conversion Kit|
|Caliber||223 rem556 nato|
|Barrel Length Range||14.00" to 14.99"|
Determined at checkout.