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
Grid Defense Stainless Steel 10.5" .223 Wylde Upper Receiver - FDE
Sale: $299.00MSRP: $379.00Grid Defense Stainless Steel 10.5" .223 Wylde Upper Receiver - FDE Finished in Flat Dark Earth Cerakote Chambered in .223 Wylde 10.5" 416R Stainless Steel Barrel 1:7 Twist Rate 1/2x28 TPI Thread Pitch Stainless A2 Muzzle Device Pistol...Sale: $299.00MSRP: $379.00 -
On Sale
GHOST STAINLESS STEEL 16" .223 WYLDE RIFLE KIT -BLUE TITANIUM
Sale: $449.00MSRP: $599.00GHOST STAINLESS STEEL 16" .223 Wylde RIFLE KIT - BLUE TITANIUM Finished in Blue Titanium Cerakote Chambered in .223 Wylde 16" 416R Stainless Steel Barrel 1:8 Twist Rate 1/2x28 TPI Thread Pitch 14" Free Float M-LOK Handrail Stainless A2 Muzzle...Sale: $449.00MSRP: $599.00 -
On Sale
GHOST STAINLESS STEEL 16" .223 WYLDE RIFLE KIT - FDE
Sale: $449.00MSRP: $599.00GHOST STAINLESS STEEL 16" .223 Wylde RIFLE KIT - FDE Flat Dark Earth Cerakote Chambered in .223 Wylde 16" 416R Stainless Steel Barrel 1:8 Twist Rate 1/2x28 TPI Thread Pitch 14" Free Float M-LOK Handrail A2 Muzzle Device Mil-Spec 7075-T6 Upper...Sale: $449.00MSRP: $599.00 -
On Sale
GHOST STAINLESS STEEL 10.5" .223 WYLDE PISTOL KIT - BLUE TITANIUM
Sale: $399.99MSRP: $579.00GHOST STAINLESS STEEL 10.5" .223 WYLDE RIFLE KIT - BLUE TITANIUM Finished in Blue Titanium Cerakote Chambered in .223 Wylde 10.5" 416R Stainless Steel Barrel 1:7 Twist Rate 1/2x28 TPI Thread Pitch 9" Free Float M-LOK Handrail A2 Muzzle...Sale: $399.99MSRP: $579.00 -
Out of stockOn Sale
Grid Defense 20" 6.5 Grendel Upper Receiver - FDE
Sale: $329.00MSRP: $419.00Grid Defense 20" 6.5 Grendel Upper Receiver - FDE Upper Specifications Mil-Spec Upper Design Machined from 7075-T6 Forging Mil-Spec dust cover and forward assist Made in the USA 14" Free Float Handguard Finished in Magpul Flat Dark Earth...Sale: $329.00MSRP: $419.00 -
On Sale
ALWAYS ARMED 4.5" .22LR TRX SERIES UPPER RECEIVER - FDE
Sale: $239.00MSRP: $359.00ALWAYS ARMED 4.5" .22LR TRX SERIES UPPER RECEIVER - FDE Chambered in .22LR Finished in FDE Cerakote Made In The USA 4.5" 1:16 Twist 4140 CrMo Barrel Salt bath nitride finished barrel 1/2"-28 TPI Medium taper barrel profile 4.25" TRX Series...Sale: $239.00MSRP: $359.00