Shop › COLT EPR UPPER 5.56 16" MLOK BLK COLT EPR UPPER 5.56 16" MLOK BLK $1,049.00 Colt's Manufacturing Complete Upper, 223 Rem/556NATO, 16" Barrel, Black, MLOK Free Float Handguard LE6920EPR-CK Quantity: Add To Cart Added! Colt's Manufacturing Complete Upper, 223 Rem/556NATO, 16" Barrel, Black, MLOK Free Float Handguard LE6920EPR-CK