GC_UPC Colt COLT EPR UPPER 5.56 16" MLOK BLK $1,057.99 LE6920EPR-CK show more like this Butt N' Barrel GC_UPC Colt LE6920 Enhanced Complete Upper with Centurion Rail - 5.56 - 16" $1,229.95 LE6920EPR-CK show more like this $8.99 Flat Rate Dirty Bird Industries GC_UPC Colt LE6920 Enhanced Complete Upper with Centurion Rail - 5.56 - 16" $1,266.85 LE6920EPR-CK show more like this $8.99 Flat Rate or FREE over $175 AR15Discounts