Grid Defense — Compare Prices Across Retailers

Loadout Combat Lab tracks 53 Grid Defense products across AR-15. Current observed prices run from $280 to $330, with top brands including Grid Defense. Use this page to compare retailers, check category coverage, and move directly into matching product detail pages.

53 productsLow $280High $330

Top Products

Ranked by popularity, retailer coverage, and price competitiveness.

Grid Defense Grid Defense Complete Upper Receiver, 5.56mm, 16 inch, Carbine Length, 4150 M4 Barrel, 1-7 Twist, 14 inch M-LOK Rail, A2 Flash Hider, Flat Dark Earth, GD16E14GFR556FDE

Grid Defense

Grid Defense Complete Upper Receiver, 5.56mm, 16 inch, Carbine Length, 4150 M4 Barrel, 1-7 Twist, 14 inch M-LOK Rail, A2 Flash Hider, Flat Dark Earth, GD16E14GFR556FDE

Upper Receiver

$280
Grid Defense Grid Defense Complete Upper Receiver, 5.56mm, 16 inch, Carbine Length, 4150 M4 Barrel, 1-7 Twist, 14 inch M-LOK Rail, A2 Flash Hider, Tactical Grape, GD16E14GFR556GRP

Grid Defense

Grid Defense Complete Upper Receiver, 5.56mm, 16 inch, Carbine Length, 4150 M4 Barrel, 1-7 Twist, 14 inch M-LOK Rail, A2 Flash Hider, Tactical Grape, GD16E14GFR556GRP

Upper Receiver

$284
Grid Defense Grid Defense Complete Upper Receiver, .300 Blackout, 10.5 inch, Pistol Length, 4150 Steel Light HBAR Barrel, 1-8 Twist, 10.5 inch Hand Guard, A2 Flash Hider, Flat Dark Earth, GD105E9GFR300FDE

Grid Defense

Grid Defense Complete Upper Receiver, .300 Blackout, 10.5 inch, Pistol Length, 4150 Steel Light HBAR Barrel, 1-8 Twist, 10.5 inch Hand Guard, A2 Flash Hider, Flat Dark Earth, GD105E9GFR300FDE

Upper Receiver

$286
Grid Defense Grid Defense Complete Upper Receiver, 9mm 9x19 Para, 7.5 inch, 4150 Light HBAR Barrel, 1-10 Twist, 7 inch Octagon M-LOK Rail, A2 Flash Hider, Flat Dark Earth, GD75E7GDR9MMFDE

Grid Defense

Grid Defense Complete Upper Receiver, 9mm 9x19 Para, 7.5 inch, 4150 Light HBAR Barrel, 1-10 Twist, 7 inch Octagon M-LOK Rail, A2 Flash Hider, Flat Dark Earth, GD75E7GDR9MMFDE

Upper Receiver

$300
Grid Defense Grid Defense Complete Upper Receiver, 7.62x39, 10.5 inch, Carbine Length, 4150 Steel Light HBAR Barrel, 1-10 Twist, A2 Flash Hider, Flat Dark Earth, GD105E9GFR762FDE

Grid Defense

Grid Defense Complete Upper Receiver, 7.62x39, 10.5 inch, Carbine Length, 4150 Steel Light HBAR Barrel, 1-10 Twist, A2 Flash Hider, Flat Dark Earth, GD105E9GFR762FDE

Upper Receiver

$300
Grid Defense Grid Defense Complete Upper Receiver, 9mm 9x19 Para, 7.5 inch, 4150 Light HBAR Barrel, 1-10 Twist, 7 inch Octagon M-LOK Rail, A2 Flash Hider, Burnt Bronze, GD75E7GDR9MMBB

Grid Defense

Grid Defense Complete Upper Receiver, 9mm 9x19 Para, 7.5 inch, 4150 Light HBAR Barrel, 1-10 Twist, 7 inch Octagon M-LOK Rail, A2 Flash Hider, Burnt Bronze, GD75E7GDR9MMBB

Upper Receiver

$300
Grid Defense Grid Defense Complete Upper Receiver, 7.62x39, 10.5 inch, Carbine Length, 4150 Steel Light HBAR Barrel, 1-10 Twist, A2 Flash Hider, Tactical Grape, GD105E9GFR762GRP

Grid Defense

Grid Defense Complete Upper Receiver, 7.62x39, 10.5 inch, Carbine Length, 4150 Steel Light HBAR Barrel, 1-10 Twist, A2 Flash Hider, Tactical Grape, GD105E9GFR762GRP

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, .300 Blackout, 10.5 inch, Pistol Length, 4150 Steel Light HBAR Barrel, 1-8 Twist, 10.5 inch Hand Guard, A2 Flash Hider, Tungsten Gray, GD105E9GFR300TG

Grid Defense

Grid Defense Complete Upper Receiver, .300 Blackout, 10.5 inch, Pistol Length, 4150 Steel Light HBAR Barrel, 1-8 Twist, 10.5 inch Hand Guard, A2 Flash Hider, Tungsten Gray, GD105E9GFR300TG

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, 9mm 9x19 Para, 7.5 inch, 4150 Light HBAR Barrel, 1-10 Twist, 7 inch Octagon M-LOK Rail, A2 Flash Hider, Black, GD75E7GDR9MMBLK

Grid Defense

Grid Defense Complete Upper Receiver, 9mm 9x19 Para, 7.5 inch, 4150 Light HBAR Barrel, 1-10 Twist, 7 inch Octagon M-LOK Rail, A2 Flash Hider, Black, GD75E7GDR9MMBLK

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, .300 Blackout, 7.5 inch, Pistol Length, 4150 Light HBAR Barrel, 1-8 Twist, 9 inch Octagon M-LOK Hand Guard, Dimpled Flash Can, Burnt Bronze, GD75GDR9FCAN300BB

Grid Defense

Grid Defense Complete Upper Receiver, .300 Blackout, 7.5 inch, Pistol Length, 4150 Light HBAR Barrel, 1-8 Twist, 9 inch Octagon M-LOK Hand Guard, Dimpled Flash Can, Burnt Bronze, GD75GDR9FCAN300BB

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, 7.62x39, 10.5 inch, Carbine Length, 4150 Steel Light HBAR Barrel, 1-10 Twist, A2 Flash Hider, Burnt Bronze, GD105E9GFR762BB

Grid Defense

Grid Defense Complete Upper Receiver, 7.62x39, 10.5 inch, Carbine Length, 4150 Steel Light HBAR Barrel, 1-10 Twist, A2 Flash Hider, Burnt Bronze, GD105E9GFR762BB

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, .300 Blackout, 10.5 inch, Pistol Length, 4150 Steel Light HBAR Barrel, 1-8 Twist, 10.5 inch Hand Guard, A2 Flash Hider, Blue Titanium, GD105E9GFR300BT

Grid Defense

Grid Defense Complete Upper Receiver, .300 Blackout, 10.5 inch, Pistol Length, 4150 Steel Light HBAR Barrel, 1-8 Twist, 10.5 inch Hand Guard, A2 Flash Hider, Blue Titanium, GD105E9GFR300BT

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, 9mm 9x19 Para, 5.5 inch, 4150 Light HBAR Barrel, 1-10 Twist, 7 inch Octagon M-LOK Rail, Dimpled Flash Can, Flat Dark Earth, GD55GDR9FCAN9MMFDE

Grid Defense

Grid Defense Complete Upper Receiver, 9mm 9x19 Para, 5.5 inch, 4150 Light HBAR Barrel, 1-10 Twist, 7 inch Octagon M-LOK Rail, Dimpled Flash Can, Flat Dark Earth, GD55GDR9FCAN9MMFDE

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, 5.56mm, 10.5 inch, Carbine Length, 4150 Steel M4 Barrel, 1-7 Twist, A2 Flash Hider, Tungsten Gray, GD105E9GFR556TG

Grid Defense

Grid Defense Complete Upper Receiver, 5.56mm, 10.5 inch, Carbine Length, 4150 Steel M4 Barrel, 1-7 Twist, A2 Flash Hider, Tungsten Gray, GD105E9GFR556TG

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, 9mm 9x19 Para, 5.5 inch, 4150 Light HBAR Barrel, 1-10 Twist, 7 inch Octagon M-LOK Rail, Dimpled Flash Can, Black, GD55GDR9FCAN9MMBLK

Grid Defense

Grid Defense Complete Upper Receiver, 9mm 9x19 Para, 5.5 inch, 4150 Light HBAR Barrel, 1-10 Twist, 7 inch Octagon M-LOK Rail, Dimpled Flash Can, Black, GD55GDR9FCAN9MMBLK

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, 5.56mm, 10.5 inch, Carbine Length, 4150 Steel M4 Barrel, 1-7 Twist, A2 Flash Hider, Blue Titanium, GD105E9GFR556BT

Grid Defense

Grid Defense Complete Upper Receiver, 5.56mm, 10.5 inch, Carbine Length, 4150 Steel M4 Barrel, 1-7 Twist, A2 Flash Hider, Blue Titanium, GD105E9GFR556BT

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, .300 Blackout, 10.5 inch, Pistol Length, 4150 Steel Light HBAR Barrel, 1-8 Twist, 10.5 inch Hand Guard, A2 Flash Hider, OD Green, GD105E9GFR300OD

Grid Defense

Grid Defense Complete Upper Receiver, .300 Blackout, 10.5 inch, Pistol Length, 4150 Steel Light HBAR Barrel, 1-8 Twist, 10.5 inch Hand Guard, A2 Flash Hider, OD Green, GD105E9GFR300OD

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, .300 Blackout, 10.5 inch, Pistol Length, 4150 Steel Light HBAR Barrel, 1-8 Twist, 10.5 inch Hand Guard, A2 Flash Hider, Burnt Bronze, GD105E9GFR300BB

Grid Defense

Grid Defense Complete Upper Receiver, .300 Blackout, 10.5 inch, Pistol Length, 4150 Steel Light HBAR Barrel, 1-8 Twist, 10.5 inch Hand Guard, A2 Flash Hider, Burnt Bronze, GD105E9GFR300BB

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, 5.56mm, 10.5 inch, Carbine Length, 4150 Steel M4 Barrel, 1-7 Twist, A2 Flash Hider, Tactical Grape, GD105E9GFR556GRP

Grid Defense

Grid Defense Complete Upper Receiver, 5.56mm, 10.5 inch, Carbine Length, 4150 Steel M4 Barrel, 1-7 Twist, A2 Flash Hider, Tactical Grape, GD105E9GFR556GRP

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, 7.62x39, 10.5 inch, Carbine Length, 4150 Steel Light HBAR Barrel, 1-10 Twist, A2 Flash Hider, Blue Titanium, GD105E9GFR762BT

Grid Defense

Grid Defense Complete Upper Receiver, 7.62x39, 10.5 inch, Carbine Length, 4150 Steel Light HBAR Barrel, 1-10 Twist, A2 Flash Hider, Blue Titanium, GD105E9GFR762BT

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, 5.56mm, 10.5 inch, Carbine Length, 4150 Steel M4 Barrel, 1-7 Twist, A2 Flash Hider, Burnt Bronze, GD105E9GFR556BB

Grid Defense

Grid Defense Complete Upper Receiver, 5.56mm, 10.5 inch, Carbine Length, 4150 Steel M4 Barrel, 1-7 Twist, A2 Flash Hider, Burnt Bronze, GD105E9GFR556BB

Upper Receiver

$310
Grid Defense Grid Defense Complete Upper Receiver, 5.56mm, 7.5 inch, Pistol Length, 4150 M4 Barrel, 1-7 Twist, 9 inch Octagon M-LOK Rail, Dimpled Flash Can, Burnt Bronze, GD75GDR9FCAN556BB

Grid Defense

Grid Defense Complete Upper Receiver, 5.56mm, 7.5 inch, Pistol Length, 4150 M4 Barrel, 1-7 Twist, 9 inch Octagon M-LOK Rail, Dimpled Flash Can, Burnt Bronze, GD75GDR9FCAN556BB

Upper Receiver

$320
Grid Defense Grid Defense Complete Upper Receiver, 5.56mm, 7.5 inch, Pistol Length, 4150 M4 Barrel, 1-7 Twist, 9 inch Octagon M-LOK Rail, Dimpled Flash Can, Tungsten Gray, GD75GDR9FCAN556TG

Grid Defense

Grid Defense Complete Upper Receiver, 5.56mm, 7.5 inch, Pistol Length, 4150 M4 Barrel, 1-7 Twist, 9 inch Octagon M-LOK Rail, Dimpled Flash Can, Tungsten Gray, GD75GDR9FCAN556TG

Upper Receiver

$320
Grid Defense Grid Defense Complete Upper Receiver, .300 Blackout, 7.5 inch, Pistol Length, 4150 Light HBAR Barrel, 1-8 Twist, 9 inch Octagon M-LOK Hand Guard, Dimpled Flash Can, Tactical Grape, GD75GDR9FCAN300GRP

Grid Defense

Grid Defense Complete Upper Receiver, .300 Blackout, 7.5 inch, Pistol Length, 4150 Light HBAR Barrel, 1-8 Twist, 9 inch Octagon M-LOK Hand Guard, Dimpled Flash Can, Tactical Grape, GD75GDR9FCAN300GRP

Upper Receiver

$320

Related Categories

Upper Receiver53

Brands To Compare

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Platforms Covered

AR-1553