Hello I have for sale a Grid Defense 7.5" .300 Blackout complete upper with flash can 

Here are the specs

• Finished in Blue Titanium Cerakote
• Made in the USA
• Mil-spec 7075-T6 Upper Receiver
• Chambered in .300 Blackout (7.62x35)
• 1:8 Twist 4150 Light HBar Barrel - Black Nitride
• Dimpled Flash Can
• 9" Grid Defense Octagon M-Lok Rail
• .300 Blackout Upper Receiver
• Pistol Length Gas System

Paid over $500 for this and never mated to a lower or ran rounds through it, in other words it's brand new

$400 Text Only