Out of stock
SKU: CTLE6920CK
UPC: 098289035295
The Colt M4 Upper 5.56 16.1" Black (SKU CTLE6920CK) is a combat-proven upper receiver assembly designed for law enforcement, military units, and serious carbine operators. Built on Colt's legacy of manufacturing reliability, this upper is engineered for accuracy and durability in demanding environments.
Featuring a 16.1-inch barrel optimized for 5.56 NATO, this upper is equipped with an A2 fixed front sight that provides fast target acquisition. The robust construction ensures it can withstand the rigors of tactical use while maintaining a practical balance between velocity retention and handling characteristics.
Operators in patrol, tactical, and training environments rely on Colt uppers for consistent performance across thousands of rounds. The platform accepts standard M4-pattern components, making it a versatile choice for duty rifles and modular AR systems. Whether completing a rifle build or replacing a worn upper, the Colt M4 Upper ensures reliability and repeatable accuracy under stress.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
