R&D Precision AR-15 9mm 5 inch Upper Receiver Socom 1-10 Twist 1/2x36 Comp/Brake Hybrid Black

R&D Precision AR-15 9mm 5 inch Upper Receiver Socom 1-10 Twist 1/2x36 Comp/Brake Hybrid Black. Unlike the the Gen 1 Upper Kit the Gen 2 comes with a built-in handstop and an updated muzzle device. The upper comes installed with an R&D Precision 6" handguard and a 5" barrel W/ a installed muzzle device that sits about an inch past the handguard. Specifications for R&D Precision AR-15 9mm 5 inch Upper Receiver: Manufacturer: R&D Precision Caliber: 9mm Luger Overall Length: 16 in Barrel Length: 5 i