Super Duty MOD1 Complete Upper Receiver 5.56 10.3" Black Color:Black Will Not Fit the CZ

Will Not Fit the CZ Scorpion

Fully press tail cap switch for high output

The M4A1 features a 14

ACS-L and ACS stocks

max overall length of 2

Super Duty MOD1 Complete Upper Receiver 5.56 10.3" Black Color:Black Will Not Fit the CZThe Super Duty MOD1 is the current evolution of the Super Duty platform, incorporating continuous design development to provide superior ergonomics and modularity while maintaining the legendary balance of performance and reliability. Foundational to the renowned quality and performance of this Super Duty system is the in house produced Cold Hammer Forged, chrome lined barrel and Nanoweapon coated Reliability Enhanced Bolt Carrier Group. Both the