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
Ghost 20" .308 Winchester Billet Upper - Burnt Bronze
Sale: $419.00MSRP: $549.00Ghost AR10 20" 308 Upper Receiver - Burnt Bronze Billet DPMS Pattern High Profile Upper Receiver 20" 4150 Chrome Moly HBAR Contour Barrel Rifle Gas System Chambered in .308 Winchester 1:10 Twist Rate 5/8x24 Thread Pattern A2 Flash Hider 15" M-LOK Free...Sale: $419.00MSRP: $549.00 -
Out of stockOn Sale
Grid Defense 20" .308 Winchester Billet Upper - Burnt Bronze
Sale: $449.00MSRP: $589.00Grid Defense 20" .308 Upper Receiver - Burnt Bronze DPMS Pattern upper 20" 4150 Chrome Moly Barrel Rifle Gas System Chambered in .308 Winchester 1:10 Twist Rate 5/8x24 Thread Pattern Axe Brake Muzzle Device 15" M-LOK Free Floating Rail Finished in Burnt...Sale: $449.00MSRP: $589.00 -
On Sale
Ghost 20" .308 Winchester Billet Rifle Kit - Burnt Bronze
Sale: $619.00MSRP: $749.00Ghost 20" .308 Winchester Billet Rifle Kit - Burnt Bronze Billet DPMS Pattern High Profile Upper 20" 4150 Chrome Moly HBAR Contour Barrel Rifle Gas System Chambered in .308 Winchester 1:10 Twist Rate 5/8x24 TPI Thread Pitch A2 Flash Hider 15"...Sale: $619.00MSRP: $749.00 -
On Sale
Grid Defense 20" 350 Legend Upper Receiver - Burnt Bronze
Sale: $349.00MSRP: $419.00Grid Defense 20" 350 Legend Upper Receiver - Burnt Bronze Burnt Bronze Cerakote Finish Chambered in 350 Legend A2 Flash Hider 20" 1:16 Twist 4150 Barrel - Black Nitride Carbine Length Gas System Grid Defense 14" M-Lok Free Float Hand Guard Grid...Sale: $349.00MSRP: $419.00 -
Out of stockOn Sale
Grid Defense 20" 6.5 Grendel Upper Receiver - Burnt Bronze
Sale: $329.00MSRP: $419.00Grid Defense 20" 6.5 Grendel Upper Receiver - Burnt Bronze 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 Burnt Bronze...Sale: $329.00MSRP: $419.00 -
Out of stockOn Sale
Ghost 20" 6.5 Grendel Rifle Kit - Burnt Bronze
Sale: $459.00MSRP: $529.00Ghost 20" 6.5 Grendel Rifle Kit - Burnt Bronze 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 Barrel Specifications 20" Heavy Profile...Sale: $459.00MSRP: $529.00