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
Andro Corp 5" .300 Blackout Upper Receiver - Black
Sale: $350.00MSRP: $415.00Andro Corp 5" .300 Blackout Upper Receiver - Black 4150 CMV Melonite 1:7 Twist M4 Feed Ramps Micro Length Gas System .750 Low Profile Gas Block QPQ Corrosion Resistant Finish A2 Flash Hider 5/8x24 Thread Pitch M-LOK Hand Guard 7075 T6...Sale: $350.00MSRP: $415.00 -
On Sale
GHOST STAINLESS STEEL 16" .223 WYLDE RIFLE KIT - BLACK
Sale: $429.00MSRP: $499.00GHOST STAINLESS STEEL 16" .223 Wylde RIFLE KIT - BLACK Hard Coat Black Anodized 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 Device Mil-Spec...Sale: $429.00MSRP: $499.00 -
Andro Corp 5" 5.56 Upper Receiver - Black
$415.00Andro Corp 5" 5.56 Upper Receiver - Black 4150 CMV Melonite 1:5 Twist Rate M4 Feed Ramps Micro Length Gas System .750 Low Profile Gas Block QPQ Corrosion Resistant Finish A2 Flash Hider 1/2x28 Threaded Muzzle 5" M-LOK Hand Guard 7075-T6...$415.00 -
On Sale
Grid Defense 6" .300 Blackout Flash Can Upper Receiver - Black
Sale: $329.00MSRP: $399.00Grid Defense 6" .300 Blackout Pistol Upper Receiver - Black Chambered in .300 Blackout 6" 1:7 Twist 4150 Light HBar Barrel - Black Nitride 7075-T6 Milspec Upper Receiver Pistol Length Gas System .750 Low Profile Gas Block Dimpled Flash...Sale: $329.00MSRP: $399.00 -
On Sale
Ghost Vital 7.5" 5.56 Stainless Steel Pistol Kit
Sale: $419.00MSRP: $479.00Ghost Firearms Vital 7.5" 5.56 Upper Stainless Steel - Black Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider - Black 7.5" 1:7 Twist 416R Stainless Steel Barrel Pistol Length Gas System Ghost Firearms 7" M-Lok Free...Sale: $419.00MSRP: $479.00