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  1. Home
  2. AR-15 & AR-10 Build Kits
  3. Upper Build Kits
  4. Shop by Caliber > AR-15 & LR-308/AR-10 Upper Build Kits

Shop by Caliber > AR-15 & LR-308/AR-10 Upper Build Kits



Top Sellers

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 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
$174.99 Original price $134.99
Davidson Defense 'Iolite' AR-15 Upper Receiver 16
Davidson Defense 'Iolite' AR-15 Upper Receiver 16" .350 Legend 4150 CMV 1-16T Barrel 15" M-Lok Handguard
$269.99 Original price $199.99
Davidson Defense 'Full House' 10.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
Davidson Defense 'Full House' 10.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$169.99 Original price $109.99
Davidson Defense Full House 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat Keymod Handguard Pistol Assembled Upper Receiver
Davidson Defense Full House 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat Keymod Handguard Pistol Assembled Upper Receiver
$164.99 Original price $124.99
Davidson Defense Aegis 8.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit, Suppressor Ready
Davidson Defense Aegis 8.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit, Suppressor Ready
$174.99 Original price $134.99
Davidson Defense 'Anthea' 7.5
Davidson Defense 'Anthea' 7.5" AR-15 .300 Blackout Manganese Phosphate Pistol Upper Build Kit
$204.99 Original price $154.99
Davidson Defense Ravencall 7.5-inch AR-15 .223 Wylde Pistol Upper Build Kit
Davidson Defense Ravencall 7.5-inch AR-15 .223 Wylde Pistol Upper Build Kit
$174.99 Original price $129.99
Davidson Defense 'Yippy Mac' 16
Davidson Defense 'Yippy Mac' 16" AR-15 .350 Legend Upper Build Kit
$244.99 Original price $184.99
DD Customs
DD Customs "Chaffee" LR-308 Featuring Aero Precision M5 Upper 20" .308 Win 4150 CMV 1-10T Barrel 17" High Profile M-Lok Handguard (Assembled or Unassembled)
$419.99 Original price $314.99
Davidson Defense ECHO-XVIII 18-inch LR-308 .308 Win Rifle Upper Build Kit
Davidson Defense ECHO-XVIII 18-inch LR-308 .308 Win Rifle Upper Build Kit
$334.99 Original price $249.99
Davidson Defense Aegis 16-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Rifle Upper Build Kit
Davidson Defense Aegis 16-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Rifle Upper Build Kit
$184.99 Original price $139.99

New Releases

Davidson Defense Atriox 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Atriox 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$159.99 Original price $124.99
Davidson Defense Atriox 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Atriox 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$259.99 Original price $194.99
Davidson Defense Atriox w/SBA3 Brace 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Atriox w/SBA3 Brace 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Free Shipping.
$429.99 Original price $324.99
Davidson Defense Atriox w/SBA5 Brace 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Atriox w/SBA5 Brace 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Free Shipping.
$429.99 Original price $324.99
Shop by Caliber > AR-15 & LR-308/AR-10 Upper Build Kits subcategories
  • .223 Rem > AR-15 Upper Build Kits
  • 5.56 NATO > AR-15 Upper Build Kit
  • .223 Wylde > AR-15 Upper Build Kits
  • 6mm ARC > AR-15 Upper Build Kits
  • 6.5 Creedmoor > LR-308/AR-10 Upper Build Kits
  • 6.5 Grendel > AR-15 Upper Build Kits
  • 7.62x39 > AR-15 Upper Build Kits
  • .300 Blackout > AR-15 Upper Build Kits
  • .308 Winchester > LR-308/AR-10 Upper Build Kits
  • 8.6 Blackout
  • .350 Legend > AR-15 Upper Build Kits
  • 9mm > AR-15 Upper Build Kits
  • 10MM > AR-15 Upper Build Kits
  • .45 ACP > AR-15 Upper Build Kits
  • .450 Bushmaster > AR-15 Upper Build Kits
  • .458 SOCOM > AR-15 Upper Build Kits
  • 12.7x42 > AR-15 Upper Build Kits

Products [247]

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Davidson Defense 'Endgame' 16-inch AR-15 5.56 NATO Phosphate Rifle Upper Build Kit
Davidson Defense 'Endgame' 16-inch AR-15 5.56 NATO Phosphate Rifle Upper Build Kit
$249.99 $189.99 Sale
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Davidson Defense 'Dancing Brass' 20-inch AR-15 5.56 NATO Phosphate Rifle Upper Build Kit
Davidson Defense 'Dancing Brass' 20-inch AR-15 5.56 NATO Phosphate Rifle Upper Build Kit
$214.99 $159.99 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 Aegis 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Aegis 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$194.99 $149.99 Sale
In Stock.
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Davidson Defense Aegis 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
Davidson Defense Aegis 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
$214.99 $159.99 Sale
In Stock.
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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
In Stock.
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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
$174.99 $129.99 Sale
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Davidson Defense Aegis 16.25-inch Carbine-Gas 1:9.45 7.62x39 AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
Davidson Defense Aegis 16.25-inch Carbine-Gas 1:9.45 7.62x39 AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
$254.99 $189.99 Sale
In Stock.
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Davidson Defense Aegis 16-inch Carbine-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
Davidson Defense Aegis 16-inch Carbine-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
$214.99 $159.99 Sale
In Stock.
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Davidson Defense Aegis Lightweight 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 15-inch Freefloat M-Lok Handguard Rifle Upper Build Kit
Davidson Defense Aegis Lightweight 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 15-inch Freefloat M-Lok Handguard Rifle Upper Build Kit
$214.99 $159.99 Sale
In Stock.
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Davidson Defense Aegis 16-inch Carbine-Gas 1:9 7.62x39 AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
Davidson Defense Aegis 16-inch Carbine-Gas 1:9 7.62x39 AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
$254.99 $189.99 Sale
In Stock.
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Davidson Defense Aegis Lightweight 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
Davidson Defense Aegis Lightweight 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
$214.99 $159.99 Sale
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Davidson Defense 'Lucky 13' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'Lucky 13' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$474.99 $354.99 Sale
In Stock. Free Shipping.
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Davidson Defense 'Golden Order-Side Charging' 8.5-inch AR-15 .300BLK Parkerized Side-Charging Pistol Upper Build Kit
Davidson Defense 'Golden Order-Side Charging' 8.5-inch AR-15 .300BLK Parkerized Side-Charging Pistol Upper Build Kit
$204.99 $154.99 Sale
In Stock.
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Davidson Defense 'Scorpion Stinger' 8.5
Davidson Defense 'Scorpion Stinger' 8.5"-inch AR-15 .300BLK Parkerized Pistol Upper Build Kit
$184.99 $139.99 Sale
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Davidson Defense 'Warpick' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
Davidson Defense 'Warpick' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
$194.99 $149.99 Sale
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Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
$174.99 $134.99 Sale
In Stock.
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Davidson Defense Aegis 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Aegis 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$174.99 $129.99 Sale
In Stock.
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