Due to the current high volume of orders, we are experiencing brief delays with some shipments. Most orders should ship within 3-4 business days after being placed. Once we print shipping label, you shall receive tracking information via email. We apologize for any inconvenience.

.223 16" Keymod Upper

.223 16" Keymod Upper

Our AR-15 Upper Build (Mil-Spec) comes fully assembled and includes all the components necessary for a functioning Upper. The Upper Receiver, 16" Barrel and Bolt Carrier Group are made in the U.S. Included is a 16" Free Float Keymod Rail and Birdcage Muzzle Brake. Each part conforms to Mil-Spec dimensions and is made from quality materials to ensure accuracy and reliability.

Every Upper Build is Test Fired Before Shipment To Guarantee Performance. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will not warranty cycling with imported, steel cased or reloaded rounds.


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We Ship Fast!

All orders ship out within 48 business hours(except items need to be test-fired). 

Hassle free returns policy

Your satisfaction is our priority.

  • Product Code: UB15-FKM16
  • Availability: In Stock

Tags: AR-15, Rifle, Assembled, Build