AR-15 | AR-10
Grid Defense is the first stop for your next AR15 build with our wide variety of barreled upper receivers to choose from. We offer a multitude of options from barrel length, color, handguard designs, and caliber. Whether you are a beginner or experienced gunsmith our uppers are designed to be easy to expand while staying cost friendly. Check out our Upper and Lower parts for everything else you need to complete your build.
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On Sale
ALWAYS ARMED 5.5" 9MM SS FLASH CAN OCTO SERIES UPPER RECEIVER - BURNT BRONZE
Sale: $199.00MSRP: $319.00ALWAYS ARMED 5.5" 9MM SS FLASH CAN UPPER RECEIVER - BURNT BRONZE Made in the USA Mil Spec AR15 Upper Receiver 1/2 x 36 thread pitch 5.5" 1:10 Twist 416R Stainless Steel Barrel 7" Free Float M-LOK Rail Flash Can Muzzle Device Burnt Bronze...Sale: $199.00MSRP: $319.00 -
On Sale
ALWAYS ARMED 5.5" 9MM OCTO SERIES FLASH CAN PISTOL KIT - BURNT BRONZE
Sale: $424.00MSRP: $599.00ALWAYS ARMED 5.5" 9MM OCTO SERIES FLASH CAN PISTOL KIT - BURNT BRONZE Made in the USA Mil-Spec Lower Parts Kit 1/2 x 36 Thread Pitch 5.5" 1:10 Twist 416R Stainless Steel Barrel Chambered in 9X19 Para Flash Can Muzzle Device 7.25" Free Float...Sale: $424.00MSRP: $599.00