Andro Corp 5" .300 Blackout Upper Receiver - Black

• 4150 CMV Melonite
• 1:7 Twist
• M4 Feed Ramps
• Micro Length Gas System
• .750 Low Profile Gas Block
• QPQ Corrosion Resistant Finish
• A2 Flash Hider
• 5/8x24 Thread Pitch
• M-LOK Hand Guard
• 7075 T6 Mil-Spec Upper Receiver
• Forward Assist
• Ejection Port Assembly