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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
$194.99 Original price $144.99
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
$379.99 Original price $284.99
Show Stopper 16.5-inch AR-15 5.56 NATO Drop In Trigger Ready Rifle Full Build Kit
Show Stopper 16.5-inch AR-15 5.56 NATO Drop In Trigger Ready Rifle Full Build Kit
$354.99 Original price $269.99
Davidson Defense 'The Vampire .350 Legend' 16-inch AR-15 .350 Legend Nitride Rifle Upper Build Kit
Davidson Defense 'The Vampire .350 Legend' 16-inch AR-15 .350 Legend Nitride Rifle Upper Build Kit
$224.99 Original price $169.99
Davidson Defense Atriox 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 Atriox w/Gauntlet Arms Brace 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$329.99 Original price $249.99
Davidson Defense Aegis 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit
Davidson Defense Aegis 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit
$374.99 Original price $284.99
Davidson Defense 'Bluegrass' 16
Davidson Defense 'Bluegrass' 16" AR-15 .350 Legend Nitride Rifle Full Build Kit
$409.99 Original price $309.99
Davidson Defense 'Tumbleweed' 7.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
Davidson Defense 'Tumbleweed' 7.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$289.99 Original price $219.99
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
$384.99 Original price $289.99
Davidson Defense Sklounsted 20-inch AR-15 5.56 NATO Rifle Full Build Kit
Davidson Defense Sklounsted 20-inch AR-15 5.56 NATO Rifle Full Build Kit
$394.99 Original price $294.99
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 Zapstrike 20-inch AR-15 5.56 NATO Rifle Full Build Kit
Davidson Defense Zapstrike 20-inch AR-15 5.56 NATO Rifle Full Build Kit
$429.99 Original price $324.99

New Releases

BCM Gunfighter Stock SOPMOD MOD 0, AR-15 Buffer Tube Kit For 5.56/.223/.300BLK/.350
BCM Gunfighter Stock SOPMOD MOD 0, AR-15 Buffer Tube Kit For 5.56/.223/.300BLK/.350
$99.99 Original price $74.99
BCM Gunfighter Stock SOPMOD MOD 0, Mil-Spec, Black
BCM Gunfighter Stock SOPMOD MOD 0, Mil-Spec, Black
$78.99 Original price $59.99
DuraMag SS 20 Round 9MM Magazine, Stainless Steel, Colt Pattern, Orange Anti-Tilt AGF Follower, Black
DuraMag SS 20 Round 9MM Magazine, Stainless Steel, Colt Pattern, Orange Anti-Tilt AGF Follower, Black
$32.99 Original price $24.99
DuraMag 10 Round 7.62X39 Magazine, Stainless Steel, AR Pattern, Anti-Tilt AGF Follower, Black
DuraMag 10 Round 7.62X39 Magazine, Stainless Steel, AR Pattern, Anti-Tilt AGF Follower, Black
$19.99 Original price $14.99
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

Products [486]

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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
$409.99 $309.99 Sale
In Stock. Free Shipping.
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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
$239.99 $179.99 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
$334.99 $254.99 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
$399.99 $304.99 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
$179.99 $134.99 Sale
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Davidson Defense 'Left Handed Quadrail Pistol' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Complete Upper Build
Davidson Defense 'Left Handed Quadrail Pistol' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Complete Upper Build
$314.99 $239.99 Sale
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Davidson Defense 'Left Handed Quadrail Pistol w/Gauntlet Arms Pistol Brace' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Full Build Kit
Davidson Defense 'Left Handed Quadrail Pistol w/Gauntlet Arms Pistol Brace' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Full Build Kit
$389.99 $294.99 Sale
In Stock. Free Shipping.
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Davidson Defense 'Left Handed Quadrail Pistol w/ KAK Blade' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Full Build Kit
Davidson Defense 'Left Handed Quadrail Pistol w/ KAK Blade' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Full Build Kit
$414.99 $314.99 Sale
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Davidson Defense 'Left Handed Quadrail Pistol w/ SB Tactical SBM4' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Full Build Kit
Davidson Defense 'Left Handed Quadrail Pistol w/ SB Tactical SBM4' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Full Build Kit
$439.99 $329.99 Sale
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Davidson Defense 'Left Handed Quadrail Pistol w/ SB Tactical SBA3' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Full Build Kit
Davidson Defense 'Left Handed Quadrail Pistol w/ SB Tactical SBA3' 7.5-inch AR-15 5.56 NATO Phosphate Left-Handed Pistol Full Build Kit
$484.99 $364.99 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 'Left Handed Mod 1' 16.5-inch AR-15 5.56 NATO Nitride Left-Handed Rifle Complete Upper Build
Davidson Defense 'Left Handed Mod 1' 16.5-inch AR-15 5.56 NATO Nitride Left-Handed Rifle Complete Upper Build
$369.99 $274.99 Sale
In Stock. Free Shipping.
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Davidson Defense 'Left Handed Mod 1' 16.5-inch AR-15 5.56 NATO Nitride Left-Handed Rifle Full Build Kit
Davidson Defense 'Left Handed Mod 1' 16.5-inch AR-15 5.56 NATO Nitride Left-Handed Rifle Full Build Kit
$434.99 $324.99 Sale
In Stock. Free Shipping.
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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
$164.99 $124.99 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 $144.99 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
In Stock. Free Shipping.
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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
In Stock. Free Shipping.
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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 $309.99 Sale
In Stock. Free Shipping.
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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
$459.99 $344.99 Sale
In Stock. Free Shipping.
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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 $164.99 Sale
In Stock.
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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 $234.99 Sale
In Stock.
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782 S Auto Mall Dr American Fork UT 84003
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833-496-6401

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