Guntec USA AR-15 Upper Receiver Assembly Kit Anodized Green GT-URK-G3-GREEN. 56 Charging Handle 5.56 Trap Door Assembly Specifications for Guntec USA AR-15 Upper Receiver Assembly Kit: Manufacturer: Guntec USA Fabric/Material: T6 Aluminum Gun Make:...
Guntec USA AR-15 Upper Receiver Assembly Kit Anodized Green GT-URK-G3-GREEN. 56 Charging Handle 5.56 Trap Door Assembly Specifications for Guntec USA AR-15 Upper Receiver Assembly Kit: Manufacturer: Guntec USA Fabric/Material: T6 Aluminum Gun Make:...