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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ALWAYS ARMED Jester 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLACK
$329.00ALWAYS ARMED Jester 16" 5.56 NATO STAINLESS STEEL UPPER RECEIVER - BLACK Made in the USA Mil-Spec 7075 T6 5.56 Nato Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 416R Stainless Steel Barrel Chambered in 5.56 NATO...$329.00 -
Out of stock
ALWAYS ARMED LIMITED EDITION 16" 5.56 NATO UPPER WITH STRIKE INDUSTRIES ACCESSORIES - TITANIUM/RED
$422.85Always Armed 16" 5.56 NATO Upper Receiver - Titanium Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 16" 1:7 Twist 4150 Barrel with Black Nitride Finish Chambered in 5.56 NATO Carbine Length Gas System ...$422.85 -
Out of stock
ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER WITH TIMBER CREEK DUST COVER AND FORWARD ASSIST - TITANIUM
$408.98ALWAYS ARMED OCTO SERIES 16" 5.56 NATO UPPER RECEIVER Made in the USA Titanium Cerakote Finish Mil-Spec AR15 7075 T6 Upper Receiver Timber Creek Outdoors Blue Anodized Billet Dust Cover Timber Creek Outdoors Blue Anodized Forward Assist 15" Free Float...$408.98 -
Out of stock
ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER WITH TEQUILA SUNRISE CAN, TIMBER CREEK ORANGE DUST COVER AND FORWARD ASSIST
$388.98ALWAYS ARMED OCTO SERIES 7.5" 5.56 NATO FLASH CAN UPPER RECEIVER Made in the USA Mil-Spec 7075 T6 Upper Receiver Timber Creek Billet Dust Cover - Orange Anodized Timber Creek Forward Assist - Orange Anodized 7.5" 1:7 Twist 4150 Barrel with Black...$388.98 -
On Sale
Ghost 16" 5.56 Mid Length with 11" Rail Rifle Kit - OD Green
Sale: $443.33MSRP: $599.00Ghost Firearms 16" 5.56 Mid Length Rifle Kit - OD Green Finished in Olive Drab Green Cerakote Chambered in 5.56/.223 (5.56x45mm) M16 Bolt Carrier Group Mil-spec Charging Handle A2 Flash Hider 16" 1:7 Twist 4150 Chrome Moly Steel Barrel Black...Sale: $443.33MSRP: $599.00 -
On Sale
Ghost 18" 350 Legend Rifle Kit - Burnt Bronze
Sale: $449.00MSRP: $519.00Ghost 18" 350 Legend Rifle Kit - Burnt Bronze Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 18" 1:16 Twist 4150 Barrel with Black Nitride Finish Chambered in 350 Legend Carbine Length Gas System .750 Low...Sale: $449.00MSRP: $519.00 -
On Sale
Ghost 18" 350 Legend Rifle Kit - Tungsten Gray
Sale: $449.00MSRP: $519.00Ghost 18" 350 Legend Rifle Kit - Tungsten Gray Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 18" 1:16 Twist 4150 Barrel with Black Nitride Finish Chambered in 350 Legend Carbine Length Gas System .750 Low...Sale: $449.00MSRP: $519.00 -
On Sale
GHOST 7.5" 9MM STAINLESS STEEL PISTOL KIT - BLACK
Sale: $369.00MSRP: $599.00GHOST 7.5" 9MM STAINLESS STEEL PISTOL KIT - BLACK Chambered in 9x19 Para A2 Birdcage Flash Hider 7.5" 1:10 Twist 416R Stainless Steel Barrel 1/2x36 Thread Pattern Ghost Firearms 7" M-Lok Free Float Hand Guard Ghost Mil-Spec 7075 T6...Sale: $369.00MSRP: $599.00 -
On Sale
Ghost 9" .22LR Pistol Kit - FDE
Sale: $480.00MSRP: $599.00Ghost 9" .22LR Pistol Kit - FDE Made in the USA Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 9" 4150 Black Nitride Barrel Lightweight Pencil Profile Barrel 1:16 Twist Rate 1/2x28 TPI Thread Pitch Chambered in .22 Long...Sale: $480.00MSRP: $599.00 -
On Sale
Ghost Firearms Elite 7.5" Upper 7.62x39 - Blue Titanium
Sale: $259.00MSRP: $329.00Ghost Firearms Elite 7.5" .300 - Blue Titanium Chambered in 7.62x39 7.5" Upper A2 Flash Hider 7.5" 1:10 Twist 4150 Light HBar Barrel Black Nitride Pistol Length Gas System Ghost Firearms 7" M-Lok Free Float Hand Guard Ghost...Sale: $259.00MSRP: $329.00 -
On Sale
GHOST STAINLESS STEEL 10.5" .223 WYLDE PISTOL KIT - BLACK
Sale: $419.00MSRP: $479.00GHOST STAINLESS STEEL 10.5" .223 Wylde RIFLE KIT - BLACK Hard Coat Black Anodized 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 Stainless A2 Muzzle Device Mil-Spec...Sale: $419.00MSRP: $479.00 -
On Sale
GHOST STAINLESS STEEL 16" .223 WYLDE RIFLE KIT - BURNT BRONZE
Sale: $449.00MSRP: $599.00GHOST STAINLESS STEEL 16" .223 Wylde RIFLE KIT - BURNT BRONZE Finished in Burnt Bronze 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 Vital 16" Black Upper 5.56 NATO With Burnt Bronze 11" Rail
Sale: $259.00MSRP: $329.00Ghost Vital 16" Black Upper 5.56 NATO With 11" Burnt Bronze 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 Burnt...Sale: $259.00MSRP: $329.00 -
Grid Defense 16" .223 Wylde Upper Receiver
$329.00Grid Defense 16" .223 Wylde Upper Receiver - Black Upper Specifications Mil-Spec Upper Receiver Machined from 7075-T6 Forging Mil-Spec dust cover and forward assist Made in the USA 14" Free Float Grid Defense Handguard Available in Hard Coat...$329.00 -
GRID DEFENSE 16" .300 BLACKOUT UPPER RECEIVER WITH 12" RAIL, MAGPUL AFG AND TF SIGHTS - BLACK
$455.45GRID DEFENSE 16" .300 BLACKOUT UPPER RECEIVER WITH 12" RAIL, MAGPUL AFG AND TF SIGHTS Hard Coat Black Anodized Chambered in 300 Blackout (7.62x35) 12" M-Lok Rail 16" 1:8 4150 Light HBar Barrel - Black Nitride Pistol Length Gas System A2 Flash Hider...$455.45 -
Out of stockOn Sale
Grid Defense 16" .308 Winchester Billet Upper - Burnt Bronze
Sale: $429.00MSRP: $569.00Grid Defense 16" .308 Winchester Billet Upper - Burnt Bronze Billet DPMS High Profile Pattern upper 16" 4150 chrome moly barrel Mid-length gas system Chambered in .308 Winchester 1:10 Twist Rate 5/8x24 TPI Thread Pitch Axe Brake Muzzle...Sale: $429.00MSRP: $569.00 -
On Sale
GRID DEFENSE 16" .450 BUSHMASTER UPPER RECEIVER - BURNT BRONZE
Sale: $349.00MSRP: $419.00Grid Defense 16" .450 Bushmaster Upper Receiver - Burnt Bronze Finished in Burnt Bronze 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 -
On Sale
Grid Defense 16" 9mm Stainless Steel Upper Receiver - Black
Sale: $329.00MSRP: $399.00Grid Defense 16" 9mm Stainless Steel Upper Receiver - Black Milspec 7075-T6 Upper Receiver 16" 416R Stainless Steel Barrel with 1:10 Twist Rate 1/2x36 Thread Pattern 14" Grid Defense Octagon M-Lok Rail Hard Coat Black Anodize A2 Muzzle Device Chambered...Sale: $329.00MSRP: $399.00 -
On Sale
Grid Defense 18" 350 Legend Upper Receiver - Burnt Bronze
Sale: $349.00MSRP: $419.00Grid Defense 18" 350 Legend Upper Receiver - Burnt Bronze Burnt Bronze Cerakote Finish Chambered in 350 Legend A2 Flash Hider 18" 1:16 Twist 4150 Barrel - Black Nitride Carbine Length Gas System Grid Defense 14" M-Lok Free Float Hand Guard Grid Defense...Sale: $349.00MSRP: $419.00 -
On Sale
Grid Defense 18" 6.5 Creedmoor Billet Upper - Black
Sale: $389.00MSRP: $579.00Grid Defense 18" 6.5 Creedmoor Billet Upper - Black 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 Hard Coat Black...Sale: $389.00MSRP: $579.00