6mm ARC Uppers
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On Sale
Grid Defense 18" 6mm ARC Upper Receiver - Burnt Bronze
Sale: $329.00MSRP: $419.00Grid Defense 18" 6mm ARC Upper Receiver - Burnt Bronze Finished in Burnt Bronze Cerakote Chambered in 6mm ARC 14" Free Float M-Lok Rail 18" 4150 Heavy Profile Barrel - Black Nitride 1:8 Twist Rate .750 Mid Length Gas System 5/8x24 Thread...Sale: $329.00MSRP: $419.00 -
On Sale
Grid Defense 18" 6mm ARC Upper Receiver - FDE
Sale: $329.00MSRP: $419.00Grid Defense 18" 6mm ARC Upper Receiver - FDE Finished in FDE Cerakote Chambered in 6mm ARC 14" Free Float M-Lok Rail 18" 4150 Heavy Profile Barrel - Black Nitride 1:8 Twist Rate .750 Mid Length Gas System 5/8x24 Thread Pitch A2 Flash...Sale: $329.00MSRP: $419.00 -
On Sale
Grid Defense 18" 6mm ARC Upper Receiver - Black
Sale: $329.00MSRP: $419.00Grid Defense 18" 6mm ARC Upper Receiver - Black Hard Coat Black Anodized Chambered in 6mm ARC 14" Free Float M-Lok Rail 18" 4150 Heavy Profile Barrel - Black Nitride 1:8 Twist Rate .750 Mid Length Gas System 5/8x24 Thread Pitch A2 Flash...Sale: $329.00MSRP: $419.00 -
On Sale
Grid Defense 18" 6mm ARC Upper Receiver - Tungsten Gray
Sale: $329.00MSRP: $419.00Grid Defense 18" 6mm ARC Upper Receiver - Tungsten Gray Finished in Tungsten Gray Cerakote Chambered in 6mm ARC 14" Free Float M-Lok Rail 18" 4150 Heavy Profile Barrel - Black Nitride 1:8 Twist Rate .750 Mid Length Gas System 5/8x24 Thread...Sale: $329.00MSRP: $419.00 -
On Sale
Grid Defense 18" 6mm ARC Upper Receiver - Blue Titanium
Sale: $329.00MSRP: $419.00Grid Defense 18" 6mm ARC Upper Receiver - Blue Titanium Finished in Blue Titanium Cerakote Chambered in 6mm ARC 14" Free Float M-Lok Rail 18" 4150 Heavy Profile Barrel - Black Nitride 1:8 Twist Rate .750 Mid Length Gas System 5/8x24 Thread...Sale: $329.00MSRP: $419.00 -
On Sale
Grid Defense 18" 6mm ARC Upper Receiver - OD Green
Sale: $329.00MSRP: $419.00Grid Defense 18" 6mm ARC Upper Receiver - OD Green Finished in OD Green Cerakote Chambered in 6mm ARC 14" Free Float M-Lok Rail 18" 4150 Heavy Profile Barrel - Black Nitride 1:8 Twist Rate .750 Mid Length Gas System 5/8x24 Thread Pitch A2 Flash...Sale: $329.00MSRP: $419.00