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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Ghost Vital 10.5" 5.56 Upper Receiver with 1:8 Twist Stainless Steel Barrel
$309.00Ghost Vital 10.5" 5.56 Upper Receiver with 1:8 Twist Stainless Steel Barrel Chambered in 5.56x45 NATO (5.56/.223) Stainless Steel A2 Birdcage Flash Hider 10.5" 1:7 Twist 416R Stainless Steel Barrel Carbine Length Gas System Ghost...$309.00 -
Out of stock
GRID DEFENSE GX2 10.5" 5.56 UPPER RECEIVER - BLACK
$379.00Grid Defense GX2 10.5" 5.56 Upper Receiver Hard Coat Black Anodized Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 10.5" 1:7 Twist 4150 Steel M4 Barrel - Black Nitride .750 Low Profile Gas Block Carbine Length Gas System 9" Grid Defense GX2...$379.00 -
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
Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver - Black
Sale: $299.00MSRP: $399.00Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver - Black Hard Coat Black Anodized Finish Chambered in 5.56 NATO Stainless Steel A2 Flash Hider 10.5" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile Carbine Length Gas System Grid Defense...Sale: $299.00MSRP: $399.00 -
On Sale
ALWAYS ARMED 10.5" 300 BLACKOUT PISTOL KIT - BLACK ANODIZED
Sale: $339.00MSRP: $479.00Always Armed 10.5" 300 Blackout Rifle Kit - Black Anodized Made in the USA Mil-Spec Lower Parts Kit Mil-Spec 7075 T6 Upper Receiver with Dust Cover and Forward Assist 10.5" 1:8 Twist 4150 Barrel with Black Nitride Finish Chambered in 300 Blackout...Sale: $339.00MSRP: $479.00