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 IHS 5" Upper 5.56 Nato
$239.00 - $259.00Ghost IHS 5" 5.56 Upper Hard Coat Black Anodized Finish Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 5" 1:5 Twist 4150 Chrome Moly Vanadium Barrel 1/2x28 Thread Pitch Micro Length Gas System Ghost 4.25" Integral Hand...$239.00 - $259.00 -
Ghost IHS 5" Upper .300 Blackout
$219.00 - $239.00Ghost IHS 5" .300 Blackout Upper Receiver Hard Coat Black Anodized Finish Chambered in .300 Blackout A2 Flash Hider 5" 1:5 Twist 4150 Chrome Moly Vanadium Barrel 5/8x24 Thread Pitch Micro Length Gas System Ghost 4.25" Integral...$219.00 - $239.00 -
Ghost IHS 5" 5.56 Pistol Kit
$419.00 - $439.00Ghost IHS 5" 5.56 Pistol Kit Chambered in 5.56x45 NATO (5.56/.223) A2 Birdcage Flash Hider 5" 1:5 Twist 4150 M4 Barrel Black Nitride Micro Length Gas System Ghost Firearms 4.25" IHS M-Lok Free Float Hand Guard Ghost...$419.00 - $439.00 -
Ghost Suppressor Ready IHS 5" .300 Blackout Upper Receiver
$259.00 - $279.00Ghost Suppressor Ready IHS 5.5" .300 Blackout Upper Upper Specifications Mil-Spec Upper Receiver Machined from 7075-T6 Forging Mil-Spec dust cover and forward assist Made in the USA 4.25" Free Float IHS "Intergral Hand Stop" Handguard...$259.00 - $279.00 -
Ghost Suppressor Ready IHS 5" 5.56 NATO Upper Receiver
$259.00 - $279.00Ghost Suppressor Ready IHS 5.5" 5.56 NATO Upper Upper Specifications Mil-Spec Upper Receiver Machined from 7075-T6 Forging Mil-Spec dust cover and forward assist Made in the USA 4.25" Free Float IHS "Intergral Hand Stop" Handguard...$259.00 - $279.00 -
On Sale
Ghost IHS 5" 5.56 NATO Upper Receiver - Gold
Sale: $269.00MSRP: $339.00Ghost IHS 5" 5.56 Upper - Gold Cerakote FX Gold Upper Receiver Chambered in 5.56x45 NATO (5.56/.223) A2 Flash Hider 5" 1:5 Twist 4150 Chrome Moly Vanadium Barrel 1/2x28 Thread Pitch Micro Length Gas System Ghost 4.25" Integral...Sale: $269.00MSRP: $339.00 -
Ghost IHS 5" .300 Blackout Pistol Kit
$419.00 - $439.00Ghost IHS 5" .300 Blackout Pistol Kit Chambered in .300 Blackout (7.61x31) A2 Birdcage Flash Hider 5/8x24 Thread Pitch 5" 1:5 Twist 4150 M4 Barrel Black Nitride Micro Length Gas System Ghost Firearms 4.25" IHS M-Lok Free...$419.00 - $439.00 -
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 -
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