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  1. Home
  2. AR-15 & AR-10 Build Kits
  3. Upper Build Kits
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Upper Build Kits

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Top Sellers

Davidson Defense Davidson Defense 'Rising Phoenix 5.56' 7.5-inch AR-15 5.56 NATO Stainless Pistol Upper Build Kit
Davidson Defense Davidson Defense 'Rising Phoenix 5.56' 7.5-inch AR-15 5.56 NATO Stainless Pistol Upper Build Kit
$174.99 Original price $129.99
Davidson Defense 'Tumbleweed' 7.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
Davidson Defense 'Tumbleweed' 7.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$199.99 Original price $149.99
Davidson Defense 'Fortitude' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
Davidson Defense 'Fortitude' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
$154.99 Original price $114.99
Davidson Defense 'Tamworth' 7.5-inch AR-15 .223 Wylde Nitride Pistol Upper Build Kit
Davidson Defense 'Tamworth' 7.5-inch AR-15 .223 Wylde Nitride Pistol Upper Build Kit
$189.99 Original price $139.99
Davidson Defense Shorty Boy 10.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
Davidson Defense Shorty Boy 10.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
$174.99 Original price $129.99
Davidson Defense Poker Ace 10.5-inch AR-15 .300 BLK Pistol Upper Build Kit
Davidson Defense Poker Ace 10.5-inch AR-15 .300 BLK Pistol Upper Build Kit
$194.99 Original price $149.99
DD 'Silver Sentinel' 16-inch AR-15 5.56 NATO Stainless Rifle Upper Build Kit
DD 'Silver Sentinel' 16-inch AR-15 5.56 NATO Stainless Rifle Upper Build Kit
$239.99 Original price $184.99
Davidson Defense Cursebreaker 7.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
Davidson Defense Cursebreaker 7.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
$169.99 Original price $124.99
Davidson Defense Orome 18-inch AR-15 6MM ARC Rifle Complete Upper Build
Davidson Defense Orome 18-inch AR-15 6MM ARC Rifle Complete Upper Build
$344.99 Original price $259.99
Davidson Defense 'Esper Sentinel' 10.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
Davidson Defense 'Esper Sentinel' 10.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
$214.99 Original price $164.99
Davidson Defense First Act 16-inch AR-15 .458 SOCOM Rifle Upper Build Kit
Davidson Defense First Act 16-inch AR-15 .458 SOCOM Rifle Upper Build Kit
$234.99 Original price $179.99
Davidson Defense Bout 250 20-inch LR-308 22-250 Rifle Upper Build Kit
Davidson Defense Bout 250 20-inch LR-308 22-250 Rifle Upper Build Kit
$364.99 Original price $274.99

New Releases

DTT Customs Stiffler MFG Bluewire Glock 19 Compatible Full Pistol Build Kit (Everything Minus Frame)
DTT Customs Stiffler MFG Bluewire Glock 19 Compatible Full Pistol Build Kit (Everything Minus Frame)
Free Shipping.
$414.99 Original price $314.99
DTT Customs Stiffler MFG Bluewire Glock 19 Compatible Complete Slide Kit
DTT Customs Stiffler MFG Bluewire Glock 19 Compatible Complete Slide Kit
Free Shipping.
$364.99 Original price $274.99
DTT Stiffler MFG White Monster Glock 19 Compatible Complete Slide Kit
DTT Stiffler MFG White Monster Glock 19 Compatible Complete Slide Kit
Free Shipping.
$374.99 Original price $284.99
DTT Stiffler MFG Ivory Collapse Glock 19 Compatible Full Pistol Build Kit (Everything Minus Frame)
DTT Stiffler MFG Ivory Collapse Glock 19 Compatible Full Pistol Build Kit (Everything Minus Frame)
Free Shipping.
$429.99 Original price $324.99
Upper Build Kits subcategories
  • Rifle Upper Build Kits
  • Pistol Upper Build Kits

Products [290]

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Davidson Defense 'Golden Hawk' 8.3-inch AR-15 9mm Nitride Pistol Upper Build Kit
Davidson Defense 'Golden Hawk' 8.3-inch AR-15 9mm Nitride Pistol Upper Build Kit
$199.99 $149.99 Sale
In Stock.
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Davidson Defense 'Eagle Eye' 8.3-inch AR-15 9mm Nitride Pistol Upper Build Kit
Davidson Defense 'Eagle Eye' 8.3-inch AR-15 9mm Nitride Pistol Upper Build Kit
$189.99 $144.99 Sale
In Stock.
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Davidson Defense 'Left Handed Quadrail Pistol' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Upper Build Kit
Davidson Defense 'Left Handed Quadrail Pistol' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Upper Build Kit
$184.99 $139.99 Sale
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Davidson Defense 'Left Handed Mod 1' 16.5-inch AR-15 5.56 NATO Nitride Left-Handed Rifle Upper Build Kit
Davidson Defense 'Left Handed Mod 1' 16.5-inch AR-15 5.56 NATO Nitride Left-Handed Rifle Upper Build Kit
$234.99 $174.99 Sale
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Davidson Defense 'Master Key' 7.5-inch AR-15 5.56 NATO Phosphate Pistol Upper Build Kit
Davidson Defense 'Master Key' 7.5-inch AR-15 5.56 NATO Phosphate Pistol Upper Build Kit
$169.99 $129.99 Sale
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Davidson Defense 'Majestic Beast' 16-inch AR-15 9mm Nitride Rifle Upper Build Kit
Davidson Defense 'Majestic Beast' 16-inch AR-15 9mm Nitride Rifle Upper Build Kit
$599.99 $449.99 Sale
In Stock. Free Shipping.
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Davidson Defense Davidson Defense 'M.A.V. 7 in 5.56' 7.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
Davidson Defense Davidson Defense 'M.A.V. 7 in 5.56' 7.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$194.99 $149.99 Sale
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Davidson Defense 'M.A.V. 12 in 5.56' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'M.A.V. 12 in 5.56' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$214.99 $159.99 Sale
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Davidson Defense 'Sky King' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'Sky King' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$619.99 $464.99 Sale
In Stock. Free Shipping.
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Davidson Defense 'The Hive' 16-inch AR-15 9mm Nitride Rifle Upper Build Kit
Davidson Defense 'The Hive' 16-inch AR-15 9mm Nitride Rifle Upper Build Kit
$434.99 $329.99 Sale
In Stock. Free Shipping.
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Davidson Defense 'The Colony' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'The Colony' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$454.99 $344.99 Sale
In Stock. Free Shipping.
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Davidson Defense 'Avalanche' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'Avalanche' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$224.99 $169.99 Sale
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Davidson Defense 'Avalanche in .223' 16-inch AR-15 .223 Wylde Phosphate Rifle Upper Build Kit
Davidson Defense 'Avalanche in .223' 16-inch AR-15 .223 Wylde Phosphate Rifle Upper Build Kit
$204.99 $154.99 Sale
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Davidson Defense 'Avalanche in 7.62' 16.25-inch AR-15 7.62x39 Nitride Rifle Upper Build Kit
Davidson Defense 'Avalanche in 7.62' 16.25-inch AR-15 7.62x39 Nitride Rifle Upper Build Kit
$264.99 $199.99 Sale
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Davidson Defense 'Avalanche in .350' 16-inch AR-15 .350 Legend Phosphate Rifle Upper Build Kit
Davidson Defense 'Avalanche in .350' 16-inch AR-15 .350 Legend Phosphate Rifle Upper Build Kit
$224.99 $169.99 Sale
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Davidson Defense 'Tumbleweed' 7.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
Davidson Defense 'Tumbleweed' 7.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$199.99 $149.99 Sale
In Stock.
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Davidson Defense 'Tumbleweed in .223' 7.5-inch AR-15 .223 Wylde Nitride Pistol Upper Build Kit
Davidson Defense 'Tumbleweed in .223' 7.5-inch AR-15 .223 Wylde Nitride Pistol Upper Build Kit
$169.99 $129.99 Sale
In Stock.
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Davidson Defense 'MAV9' 11-inch AR-15 9mm Nitride Pistol Upper Build Kit
Davidson Defense 'MAV9' 11-inch AR-15 9mm Nitride Pistol Upper Build Kit
$194.99 $149.99 Sale
In Stock.
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Davidson Defense 'M.A.V. 12 in 7.62' 16.25-inch AR-15 7.62x39 Nitride Rifle Upper Build Kit
Davidson Defense 'M.A.V. 12 in 7.62' 16.25-inch AR-15 7.62x39 Nitride Rifle Upper Build Kit
$254.99 $189.99 Sale
In Stock.
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Davidson Defense 'M.A.V. 15 in 5.56' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'M.A.V. 15 in 5.56' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$214.99 $159.99 Sale
In Stock.
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Davidson Defense 'XV556' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'XV556' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$214.99 $159.99 Sale
In Stock.
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Davidson Defense 'M.A.V. 15 in 7.62' 16.25-inch AR-15 7.62x39 Nitride Rifle Upper Build Kit
Davidson Defense 'M.A.V. 15 in 7.62' 16.25-inch AR-15 7.62x39 Nitride Rifle Upper Build Kit
$254.99 $189.99 Sale
In Stock.
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Davidson Defense 'M.A.V. 15 in 9MM' 16-inch AR-15 9mm Nitride Rifle Upper Build Kit
Davidson Defense 'M.A.V. 15 in 9MM' 16-inch AR-15 9mm Nitride Rifle Upper Build Kit
$194.99 $144.99 Sale
In Stock.
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Davidson Defense 'XII556' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'XII556' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$214.99 $159.99 Sale
In Stock.
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