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  • Harvest Haul
  1. Home
  2. AR-15 & AR-10 Build Kits
  3. Upper Builds by Caliber

Upper Builds by Caliber

Davidson Defense has options to suit all of the most popular calibers. If you're looking to try a new round or starting a brand new build, these are great options at awesome prices to get you started.


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 Aegis w/Gauntlet Arms Brace 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/Gauntlet Arms Brace 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$314.99 Original price $234.99
Davidson Defense 'Projected Power' 4.5-inch AR-15 9mm Nitride Pistol Upper Build Kit
Davidson Defense 'Projected Power' 4.5-inch AR-15 9mm Nitride Pistol Upper Build Kit
$159.99 Original price $119.99
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
DD 'Ammophilia V2' 16-inch AR-15 5.56 NATO Nitride Rifle Full Build Kit
DD 'Ammophilia V2' 16-inch AR-15 5.56 NATO Nitride Rifle Full Build Kit
$384.99 Original price $289.99
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 Aegis 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Aegis 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$239.99 Original price $179.99
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

New Releases

Davidson Defense Blemished IX w/ SBA3 Brace 7.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Blemished IX w/ SBA3 Brace 7.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Full Build Kit
Free Shipping.
$471.99 Original price $354.99
Davidson Defense Blemished IX 7.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Blemished IX 7.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Complete Upper Build
$291.99 Original price $219.99
Davidson Defense Phantom's Fury 8.5-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Phantom's Fury 8.5-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$284.99 Original price $214.99
Davidson Defense Phantom's Fury 8.5-inch Pistol-Gas 1:9 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Phantom's Fury 8.5-inch Pistol-Gas 1:9 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$189.99 Original price $144.99
Upper Builds by Caliber subcategories
  • .223 Rem AR-15 Upper Builds
  • 12.7x42 Upper Builds
  • 22LR AR-15 Upper Builds
  • 8.6 Blackout AR-15 Upper Builds
  • 5.56 NATO AR-15 Upper Builds
  • .22LR AR-15 Upper Builds
  • .223 Wylde AR-15 Upper Builds
  • 6MM ARC AR-15 Upper Builds
  • 6.5 Creedmoor LR-308/AR-10 Upper Builds
  • 6.5 Grendel AR-15 Upper Builds
  • 7.62x39 AR-15 Upper Builds
  • .300 Blackout AR-15 Upper Builds
  • .308 Winchester LR-308/AR-10 Upper Builds
  • 8.6 Blackout LR-308/AR-10 Upper Builds
  • .350 Legend AR-15 Upper Builds
  • 9mm AR-15 Upper Builds
  • 10MM AR-15 Upper Builds
  • .45 ACP AR-15 Upper Builds
  • .450 Bushmaster AR-15 Upper Builds
  • .458 SOCOM AR-15 Upper Builds
  • 12.7x42 AR-15 Upper Builds

Davidson Defense Galaxy's Edge 22-inch LR-308 6.5 Creedmoor Rifle Full Build Kit
Davidson Defense Galaxy's Edge 22-inch LR-308 6.5 Creedmoor Rifle Full Build Kit
$664.99 $499.99 Sale
In Stock. Free Shipping.
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Products [902]

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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
In Stock.
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Davidson Defense 'Endgame' 16-inch AR-15 5.56 NATO Phosphate Rifle Complete Upper Build
Davidson Defense 'Endgame' 16-inch AR-15 5.56 NATO Phosphate Rifle Complete Upper Build
$344.99 $259.99 Sale
In Stock. Free Shipping.
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Davidson Defense 'Endgame' 16-inch AR-15 5.56 NATO Phosphate Rifle Full Build Kit
Davidson Defense 'Endgame' 16-inch AR-15 5.56 NATO Phosphate Rifle Full Build Kit
$419.99 $314.99 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
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Davidson Defense 'Dancing Brass' 20-inch AR-15 5.56 NATO Phosphate Rifle Complete Upper Build
Davidson Defense 'Dancing Brass' 20-inch AR-15 5.56 NATO Phosphate Rifle Complete Upper Build
$309.99 $234.99 Sale
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Davidson Defense 'Dancing Brass' 20-inch AR-15 5.56 NATO Phosphate Rifle Full Build Kit
Davidson Defense 'Dancing Brass' 20-inch AR-15 5.56 NATO Phosphate Rifle Full Build Kit
$384.99 $289.99 Sale
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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 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Aegis 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$289.99 $219.99 Sale
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Davidson Defense Aegis w/Gauntlet Arms Brace 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/Gauntlet Arms Brace 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$364.99 $274.99 Sale
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Davidson Defense Aegis w/KAK Brace 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/KAK Brace 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$389.99 $294.99 Sale
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Davidson Defense Aegis w/SBM4 Brace 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/SBM4 Brace 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$414.99 $314.99 Sale
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Davidson Defense Aegis w/SBA3 Brace 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/SBA3 Brace 7.5-inch Pistol-Gas 1:7 Nitrided 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$464.99 $349.99 Sale
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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
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Davidson Defense Aegis w/Gauntlet Arms Stock 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build Kit
Davidson Defense Aegis w/Gauntlet Arms Stock 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build Kit
$309.99 $229.99 Sale
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Davidson Defense Aegis w/Gauntlet Arms Stock 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit
Davidson Defense Aegis w/Gauntlet Arms Stock 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit
$379.99 $284.99 Sale
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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' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build
Davidson Defense 'Avalanche' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build
$319.99 $239.99 Sale
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Davidson Defense 'Avalanche' 16-inch AR-15 5.56 NATO Nitride Rifle Full Build Kit
Davidson Defense 'Avalanche' 16-inch AR-15 5.56 NATO Nitride Rifle Full Build Kit
$389.99 $294.99 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 .223' 16-inch AR-15 .223 Wylde Phosphate Rifle Complete Upper Build
Davidson Defense 'Avalanche in .223' 16-inch AR-15 .223 Wylde Phosphate Rifle Complete Upper Build
$299.99 $224.99 Sale
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Davidson Defense 'Avalanche in .223' 16-inch AR-15 .223 Wylde Phosphate Rifle Full Build Kit
Davidson Defense 'Avalanche in .223' 16-inch AR-15 .223 Wylde Phosphate Rifle Full Build Kit
$369.99 $279.99 Sale
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782 S Auto Mall Dr American Fork UT 84003
United States Of America
833-496-6401

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