M16 R0901 5.56 COMPLETE UPPER RECEIVER GROUPS SP401304

M16 Upper Receiver Groups now available from Colt!  These 20” Upper Receiver Groups feature the same barrel used on M16A2 and M16A4 rifles, which has a Government profile and feature a chrome lined bore and chamber, along with a 1-7 twist.  Colt has paired two of these models with Magpul MOE handguards to make them fully modular.  Additonally these are available with or without a charging handle and bolt carrier group.