Premium 5.56 Nato Complete Upper Build.

This upper features a pistol-length gas system 

Crusader Steel Muzzle Device.

-7.5" Parkerized Barrel M4

Chambered in 5.56 Nato Caliber, pistolength gas system, 1:7 twist rate.

Fully inspected barrel guarentee.  Inspected with CMMs and Air Guages.

- 7075T6 Billet Aluminum PAMAX Upper Reciever.

- 7" Billet Aluminum MLok Handguard.

-Billet Aluminum Extended Charging Handle.

- Milspec Forward Assist 

- .750 Milspec Gas Block 

- Milspec Stainless Gas Tube

-Space Rifle Clear Polymer Dust Cover

- BCG NOT INCLUDED

Every complete upper reciever sold is custom made and fine tuned to each caliber. Each upper is test fired prior to shipment.