Model Works MWC CAR-15 MWS GBBR (Completed Rifle) 
 
GBBR Completed by Model Works Taiwan (MWC)
CNC Machined Aluminum Upper & Lower Receiver
Nearly all internal components are made of steel, including the receiver takedown pins, rear sight, stock fixed rod, outer barrels, front sight flash hider, triangle handguard cap, delta ring, chamber, and flash washer.
M16A1 Pistol Grip