20" Complete 5.56 Libertas™ Billet Upper Receiver Group

20" Complete 5.56 Libertas™ Billet Upper Receiver Group

MSRP $989.99
(You save $440.00 )

Limited Production Upper Receiver Group

These complete upper assemblies are feature packed at an incredible price point.

Supplies are very limited. 

These uppers feature a 20" barrel chambered in 5.56 NATO, EGW Space Compensator, FSR 15" free float slim rail system, and the Franklin Armory® proprietary billet upper receiver. Includes BCG and CH. 

Franklin Armory®'s billet upper receiver comes in three color choices of Desert Smoke™, Olive Drab Green, and Black. 



*Chambered in 5.56 NATO

*20” HBAR Barrel

*Threaded Muzzle Crown

*Carbine Length Gas System

*1/9-Inch Twist

*Salt Bath Nitride Chamber, Bore, & Finish

*4140 Chrome Moly Steel Construction

*Low Profile Gas Block

*FSR™ 15” Rail System

*Franklin Armory® Libertas™ Proprietary Billet Upper Receiver

*Machined From 7075-T6 Aluminum

*Hard Coat Type III Anodized Black, Desert Smoke™, or Olive Drab Green

*Full Picatinny Rail

*Forward Assist

*MILSPEC Bolt Carrier Group and Charging Handle



FSR™ 15” Rail System features:


*Free Float & Vented Handguard

*Ultra-narrow, comfortable, and easy to grasp midsection

*Utilizes Picatinny Rails at the front where needed

* Full-Length Picatinny Rail on Top

*Closed Ports Adjacent to Gas Block Location for Safety & Comfort

*Two QD Sling Mounts on each side

*6061-T6 Material

*Hard Coat Type III Anodized Black



PLEASE NOTE:  Color matching Desert Smoke™ or Olive Drab Green uppers to existing lowers is extremely difficult due to variations in the anodizing process.  It is HIGHLY recommended that customers purchase matched sets from their local dealer if they intend to have a color matched upper and lower.  Another option is to order a contrasting color.  In fact, Franklin Armory® builds some complete firearms with receivers in ODG/DS because of the favorable appearance.


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⚠️WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to - www.P65Warnings.ca.gov