Colt LE6930 R0921CQB 5.56 M4 Upper Receiver Assembly

Colt LE6930 R0921CQB 5.56 M4 Upper Receiver Assembly

• Manufactured by Colt 
• Made in the USA
• *New*
• 5.56x45mm / .223 Remington caliber
• Complete upper assembly
• 10.3″ 1/7 twist mil-spec chrome lined MP tested Colt barrel w/ FSB
• A2 flash hider
• Colt quad rail w/ QD slots
• M4 marked Colt upper receiver (forge markings will vary)
• Uppers may or may not have CAGE code markings (no guarantees)
• Brass deflector
• Colt “C” marked full-auto bolt carrier group
• “MPC” marked bolt
• Uppers may show minor blemishes from storage & handling

The Colt LE6930 R0921CQB 5.56 M4 upper receiver assembly is a new, U.S.-made Colt upper chambered in 5.56x45mm/.223 Remington. The configuration includes a 10.3-inch 1/7-twist chrome-lined, MP-tested Colt barrel with a fixed front sight base, A2 flash hider, Colt quad rail with QD slots, and an M4-marked Colt upper receiver. It also features a brass deflector and a Colt “C”-marked bolt carrier group with an “MPC”-marked bolt. The listing notes that forge and CAGE-code markings may vary and that minor cosmetic blemishes from storage and handling may be present.