The colt conversion kit contains the complete upper receiver group, including a charging handle, bolt carrier group, and back up sight.Conversion kits are available in both the standard upper receiver with handguard configuration and monolithic 1-piece upper receiver with free-floating barrel configuration.All barrels feature a 1/7 right hand twist.Now you can convert any colt rifle to the most state of the art configurations.
Receiver Finish: Black Type: Complete Gas Impingement Caliber: 223 Rem,5.56 NATO Sights: Flip Up Barrel Length: 16.10" Twist: 1:7" Handguard Finish: Black Barrel Length Range: 16.00" to 16.99"
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