• 16" Barrel
• 5.56 mm NATO
• Chromed Barrel Bore, Gas Key Bolt Carrier, Chamber
• Adjustable Gas Port
• 1-Piece Bolt Carrier
Upper assemblies may not be available for sale in all states and locales due to feature-based restrictions on firearms. Prior to purchasing, contact your local law enforcement agency to verify that this product may be legally purchased and possessed in your state and locale..
Rifle Upper Assemblies can only be shipped to addresses in the United States and Canada