Grid Defense 16" .22LR Upper Receiver - Tungsten Gray

• Milspec 7075-T6 Upper Receiver
• 16" 4150 Black Nitride Barrel
• Pencil Lightweight Profile Barrel
• 1:16 Twist Rate
• 1/2x28 Thread Pattern
• 14" Grid Defense Octagon M-Lok Rail
• Tungsten Gray Cerakote Finish
• A2 Muzzle Device
• Chambered in .22 Long Rifle
• Made in the USA
• Compatible with CMMG Components