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Complete Upper Build Kits

Top Sellers

*Waitlist* Matador Arms Mat-9 Complete 9mm Upper Gen.2 - FDE (upper only)
*Waitlist* Matador Arms Mat-9 Complete 9mm Upper Gen.2 - FDE (upper only)
$575.00
Matador Arms MAT-9 Upper Receiver Assembly - Gen2, Black
Matador Arms MAT-9 Upper Receiver Assembly - Gen2, Black
$574.99
Davidson Defense 'Count' 4.5
Davidson Defense 'Count' 4.5" AR-15 9mm Nitride Pistol Complete Upper Build Kit
$484.99 $219.99
Davidson Defense 'Tsurugi 6MM ARC' 18-inch AR-15 6mm ARC Nitride Rifle Complete Upper Build Kit
Davidson Defense 'Tsurugi 6MM ARC' 18-inch AR-15 6mm ARC Nitride Rifle Complete Upper Build Kit
$549.99 $284.99
Davidson Defense 'Mini NAM' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build Kit
Davidson Defense 'Mini NAM' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build Kit
$559.99 $294.99
Davidson Defense 'Obliterator-Inator' 8.5-inch AR-15 9mm Nitride Pistol Complete Upper Build Kit
Davidson Defense 'Obliterator-Inator' 8.5-inch AR-15 9mm Nitride Pistol Complete Upper Build Kit
$509.99 $244.99
Davidson Defense 'Attitude Adjustment' 18
Davidson Defense 'Attitude Adjustment' 18" LR-308 .308 Win Nitride Rifle Complete Upper Build Kit
$674.99 $409.99
Davidson Defense 'Scythe 2' 18
Davidson Defense 'Scythe 2' 18" LR-308 .308 Win Nitride Rifle Complete Upper Build Kit
$594.99 $329.99
Davidson Defense 'Silverhand' 4
Davidson Defense 'Silverhand' 4" AR-15 9mm Nitride Pistol Side Charging Complete Upper Build Kit
$489.99 $224.99
Davidson Defense 'The Vampire V2 5.56 NATO' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build Kit
Davidson Defense 'The Vampire V2 5.56 NATO' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build Kit
$529.99 $264.99
Davidson Defense 'Twardy' 20
Davidson Defense 'Twardy' 20" LR-308 .308 Win Nitride Rifle Complete Upper Build Kit
$654.99 $389.99
Matador Arms 'Montgo-9 Micro Comp' 5.5
Matador Arms 'Montgo-9 Micro Comp' 5.5" AR-15 9mm Pistol Complete Upper Build
$764.99 $499.99
Davidson Defense 'Gallium' 16
Davidson Defense 'Gallium' 16" AR-15 7.62x39 Nitride Rifle Complete Upper Build
$519.99 $254.99
Davidson Defense 'Lightshow II - Black' 16
Davidson Defense 'Lightshow II - Black' 16" AR-15 5.56 NATO Nitride Rifle Complete Upper Build Kit
$539.99 $274.99
Davidson Defense 'Sadler' 10.5
Davidson Defense 'Sadler' 10.5" AR-15 5.56 NATO Nitride Drop-In Pistol Complete Upper Build
$534.99 $269.99

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Products [325]

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Davidson Defense
Davidson Defense "Slaw" AR-15 Pistol Upper Receiver 8" 7.62x39 4150 CMV QPQ Nitride 1-10T Heavy Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$504.99 $269.99 Sale
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MMC Arms
MMC Arms "Clack Clack" AR-15 Featuring Aero Precision Upper Receiver 16" .458 SOCOM 4150 CMV 1-14T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$569.99 $319.99 Sale
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MMC Arms
MMC Arms "Rat-Tat-Tat" AR-15 Pistol Featuring Davidson Defense Upper Receiver 7.5" 5.56 NATO 416R Stainless 1-7T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$529.99 $344.99 Sale
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MMC Customs
MMC Customs "Meriden" AR-15 Featuring Davidson Defense Upper Receiver 16" ODIN Works 9MM 416R Stainless 1-10T Barrel Gauntlet Arms 15" M-Lok Handguard (Pre-Assembled, Ready To Ship)
$694.99 $389.99 Sale
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MMC Arms
MMC Arms "Evansville" LR-308 Featuring A Davidson Defense DPMS Style Upper Receiver 16" .308 WIN 4150 CMV QPQ Nitride 1-10T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$694.99 $364.99 Sale
Out of Stock
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MMC Arms
MMC Arms "Ardere" LR-308 Featuring A Davidson Defense DPMS Style Upper Receiver 20" .308 WIN 4150 CMV QPQ Nitride 1-10T Barrel 16.5" M-Lok Handguard (Assembled or Unassembled)
$689.99 $414.99 Sale
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Davidson Defense
Davidson Defense "Substance" AR-15 Pistol Upper Receiver 5.25" 9MM 4150 CMV QPQ Nitride 1-10T Barrel 4" M-Lok Handguard BCG and Charging Handle (Assembled or Unassembled)
$569.99 $279.99 Sale
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Davidson Defense
Davidson Defense "Golden Eagle" AR-15 Upper Receiver 16" .300 Blackout 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$509.99 $244.99 Sale
In Stock
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Davidson Defense
Davidson Defense "Patras" AR-15 Pistol Upper Receiver 4" 9MM 4150 CMV QPQ Nitride 1-10T Barrel 4" M-Lok Handguard (Assembled or Unassembled)
$484.99 $219.99 Sale
In Stock
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Davidson Defense
Davidson Defense "Megara" AR-15 Pistol Upper Receiver 4" 9MM 4150 CMV QPQ Nitride 1-10T Barrel 4" M-Lok Handguard (Assembled or Unassembled)
$489.99 $224.99 Sale
In Stock
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MMC Customs 'Last Breath' 20
MMC Customs 'Last Breath' 20" LR-308 6.5 Creedmoor Nitride Rifle Complete Upper Build Kit
$669.99 $404.99 Sale
In Stock
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Davidson Defense
Davidson Defense "Konkurs" 16.5" AR-15 5.56 Nitride Complete Upper Build Kit
$544.99 $279.99 Sale
In Stock
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Davidson Defense 'Sharur' 4
Davidson Defense 'Sharur' 4" AR-15 9MM NIT Complete Upper Build Kit
$499.99 $234.99 Sale
In Stock
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Davidson Defense 'Firefist' 4
Davidson Defense 'Firefist' 4" AR-15 9MM NIT Complete Upper Build Kit
$499.99 $234.99 Sale
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Davidson Defense 'Morah' 4
Davidson Defense 'Morah' 4" AR-15 9MM NIT Complete Upper Build Kit
$499.99 $234.99 Sale
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MMC 'Prinz Eugen' 16
MMC 'Prinz Eugen' 16" AR-15 .450 NIT Complete Upper Build Kit
$574.99 $309.99 Sale
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MMC Arms 'Cayuse' 16
MMC Arms 'Cayuse' 16" AR-15 .450 NIT Complete Upper Build Kit
$559.99 $294.99 Sale
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Davidson Defense 'A-Blast' 7
Davidson Defense 'A-Blast' 7" AR-15 9MM Pistol Nitride Complete Upper Build Kit
$559.99 $294.99 Sale
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MMC 'Kyber' 16
MMC 'Kyber' 16" AR-15 5.56 Stainless Complete Upper Build Kit
$549.99 $284.99 Sale
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Davidson Defense 'Zubr' 16
Davidson Defense 'Zubr' 16" AR-15 7.62x39 Nitride Rifle Complete Upper Build Kit
$524.99 $259.99 Sale
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Davidson Defense 'Vanta' 16
Davidson Defense 'Vanta' 16" AR-15 7.62x39 Nitride Rifle Complete Upper Build Kit
$534.99 $269.99 Sale
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MMC 'Strazzy' 18
MMC 'Strazzy' 18" LR-308 .308 Win Nitride Rifle Upper Build Kit
$624.99 $359.99 Sale
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Davidson Defense 'Lightshow II - Purple' 16
Davidson Defense 'Lightshow II - Purple' 16" AR-15 5.56 NATO Nitride Rifle Complete Upper Build Kit
$534.99 $269.99 Sale
In Stock
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Davidson Defense 'Lightshow II - Red' 16
Davidson Defense 'Lightshow II - Red' 16" AR-15 5.56 NATO Nitride Rifle Complete Upper Build Kit
$534.99 $269.99 Sale
In Stock
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