GRID DEFENSE 10.5″ 5.56 UPPER RECEIVER W/ BCG, CHARGING HANDLE, MBUS & AXE BRAKE

GRID DEFENSE 10.5″ 5.56 STAINLESS STEEL COMPLETE UPPER RECEIVER W/ MBUS & AXE BRAKE

• Hard Coat Black Anodized Finish
• Made in the USA
• 7075-T6 Mil-Spec Upper Receiver
• 10.5″ 1:7 Twist 416R Stainless Steel M4 Profile Barrel
• Chambered in 5.56×45 NATO
• Carbine Length Gas System
• .750 Low Profile Gas Block
• 9″ Octagon M-Lok Rail
• Mil-Spec Charging Handle
• Mil-Spec Bolt Carrier Group
• AXE Brake
• MBUS Sights Included