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.
-
On Sale
Ghost 16" .308 Winchester Billet Rifle Kit - OD Green
Sale: $599.00MSRP: $729.00Ghost 16" .308 Winchester Billet Rifle Kit - OD Green Billet DPMS Pattern High Profile Upper 16" 4150 Chrome Moly HBAR Contour Barrel Mid Length Gas System Chambered in .308 Winchester 1:10 Twist Rate 5/8x24 TPI Thread Pitch A2 Flash Hider 15"...Sale: $599.00MSRP: $729.00 -
On Sale
Ghost 18" 6mm ARC Rifle Kit - OD Green
Sale: $449.00MSRP: $519.00Ghost 18" 6mm ARC Rifle Kit - OD Green Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 18" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in 6mm ARC Mid Length Gas System .750 Low Profile Gas...Sale: $449.00MSRP: $519.00 -
On Sale
Ghost Vital 16" Black Upper 5.56 NATO With OD Green 11" Rail
Sale: $259.00MSRP: $329.00Ghost Vital 16" Black Upper 5.56 NATO With 11" OD Green Rail - Black Chambered in 5.56 NATO 16" 1:7 Twist 4150 Barrel Black Nitride Carbine Length Gas System Ghost Firearms 11" M-Lok Free Float Hand Guard Finished in OD Green Ghost...Sale: $259.00MSRP: $329.00 -
On Sale
Grid Defense 18" 6.5 Creedmoor Billet Upper - OD Green
Sale: $389.00MSRP: $579.00Grid Defense 18" 6.5 Creedmoor Billet Upper - OD Green Upper Specifications Billet Upper Receiver Machined from 6061 Aluminum Fits DPMS Gen 1 Lower Receivers Made in the USA High Profile 15" Free Float M-LOK Handguard Finished in OD Green...Sale: $389.00MSRP: $579.00 -
Out of stockOn Sale
Grid Defense 20" .308 Winchester Billet Upper - OD Green
Sale: $449.00MSRP: $589.00Grid Defense 20" .308 Upper Receiver - OD Green 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 OD Green...Sale: $449.00MSRP: $589.00 -
Out of stock
Grid Defense Stainless Steel 10.5" .300 Blackout Upper Receiver - OD Green
$399.00Grid Defense 10.5" .300 Blackout Stainless Steel Upper Receiver Finished in Magpul Olive Drab Green Cerakote Mil-Spec 7075-T6 Upper Receiver 10.5" 1:8 Twist 416R Stainless Steel Barrel Chambered in .300 Blackout (7.62x35) A2 Muzzle Device Pistol Length...$399.00 -
Out of stockOn Sale
Ghost 20" 6.5 Grendel Rifle Kit - OD Green
Sale: $459.00MSRP: $529.00Ghost 20" 6.5 Grendel Rifle Kit - OD Green 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 -
On Sale
GHOST STAINLESS STEEL 10.5" .223 WYLDE PISTOL KIT - OD GREEN
Sale: $439.00MSRP: $579.00GHOST STAINLESS STEEL 10.5" .223 WYLDE RIFLE KIT - OD GREEN Finished in Magpul OD Green 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 Device Mil-Spec...Sale: $439.00MSRP: $579.00 -
On Sale
GHOST STAINLESS STEEL 16" .223 WYLDE RIFLE KIT - OD GREEN
Sale: $449.00MSRP: $599.00GHOST STAINLESS STEEL 16" .223 Wylde RIFLE KIT - OD GREEN Finished in Magpul OD Green 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
GRID DEFENSE 16" .450 BUSHMASTER UPPER RECEIVER - OD GREEN
Sale: $349.00MSRP: $419.00Grid Defense 16" .450 Bushmaster Upper Receiver - OD Green Finished in Olive Drab Green Cerakote Chambered in .450 Bushmaster 14" Free Floating M-Lok Handrail 16" 4150 Black Nitride Barrel 1:24 Twist Rate 11/16x24 TPI Thread Pitch .875 Gas...Sale: $349.00MSRP: $419.00 -
Out of stockOn Sale
Ghost 18" .308 Winchester Billet Rifle Kit - OD Green
Sale: $609.00MSRP: $739.00Ghost 18" .308 Winchester Billet Rifle Kit - OD Green Billet DPMS Pattern High Profile Upper 18" 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" M-LOK Free...Sale: $609.00MSRP: $739.00