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  1. Home
  2. AR-15 & AR-10 Build Kits
  3. Upper Builds by Caliber
  4. 5.56 NATO AR-15 Upper Builds

5.56 NATO AR-15 Upper Builds



Top Sellers

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 Original price $129.99
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
$304.99 Original price $229.99
Davidson Defense Aegis Lightweight 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Aegis Lightweight 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit
$169.99 Original price $129.99
Davidson Defense 'Shorty Slade' 10.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
Davidson Defense 'Shorty Slade' 10.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$184.99 Original price $139.99
Davidson Defense 'Full House' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
Davidson Defense 'Full House' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$244.99 Original price $184.99
DD 'Silver Sentinel' 16-inch AR-15 5.56 NATO Stainless Rifle Full Build Kit
DD 'Silver Sentinel' 16-inch AR-15 5.56 NATO Stainless Rifle Full Build Kit
$379.99 Original price $284.99
Davidson Defense Spartan Zero 7.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
Davidson Defense Spartan Zero 7.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
$164.99 Original price $124.99
Davidson Defense LAZR 18-inch Rifle-Gas 5.56 NATO AR-15 Rifle Full Build Kit
Davidson Defense LAZR 18-inch Rifle-Gas 5.56 NATO AR-15 Rifle Full Build Kit
$329.99 Original price $249.99
Davidson Defense Aegis Lightweight 18-inch Rifle-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit
Davidson Defense Aegis Lightweight 18-inch Rifle-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit
$319.99 Original price $239.99
Davidson Defense Dragon’s Bane 16-inch AR-15 5.56 NATO Rifle Full Build Kit
Davidson Defense Dragon’s Bane 16-inch AR-15 5.56 NATO Rifle Full Build Kit
$339.99 Original price $254.99
Davidson Defense 'Full House w/Gauntlet Arms Brace' 10.5-inch AR-15 5.56 NATO Nitride Pistol Full Build Kit
Davidson Defense 'Full House w/Gauntlet Arms Brace' 10.5-inch AR-15 5.56 NATO Nitride Pistol Full Build Kit
$309.99 Original price $229.99
Davidson Defense Vanyar (Suppressor Ready) 16.5-inch AR-15 5.56 NATO Rifle Full Build Kit
Davidson Defense Vanyar (Suppressor Ready) 16.5-inch AR-15 5.56 NATO Rifle Full Build Kit
$314.99 Original price $234.99

New Releases

Davidson Defense Ronin Competition 7.5-inch 1:16 .45 ACP AR-45 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Ronin Competition 7.5-inch 1:16 .45 ACP AR-45 Freefloat M-Lok Handguard Pistol Upper Build Kit
$165.99 Original price $124.99
Davidson Defense Lightshow Anodized Bronze 5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Full Build Kit, SBR Ready
Davidson Defense Lightshow Anodized Bronze 5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Full Build Kit, SBR Ready
$309.99 Original price $234.99
Davidson Defense Lightshow ll Anodized Red 4.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Upper Build Kit
Davidson Defense Lightshow ll Anodized Red 4.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Upper Build Kit
$154.99 Original price $119.99
Davidson Defense Lightshow Anodized Red 4.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Full Build Kit, SBR Ready
Davidson Defense Lightshow Anodized Red 4.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Full Build Kit, SBR Ready
$314.99 Original price $234.99

Products [435]

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Davidson Defense 'Ox Tail' 7.5-inch AR-15 5.56 NATO Stainless Pistol Upper Build Kit
Davidson Defense 'Ox Tail' 7.5-inch AR-15 5.56 NATO Stainless Pistol Upper Build Kit
$184.99 $139.99 Sale
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Davidson Defense 'Ox Tail' 7.5-inch AR-15 5.56 NATO Stainless Pistol Complete Upper Build
Davidson Defense 'Ox Tail' 7.5-inch AR-15 5.56 NATO Stainless Pistol Complete Upper Build
$264.99 $199.99 Sale
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Davidson Defense 'Ox Tail w/Gauntlet Arms Brace' 7.5-inch AR-15 5.56 NATO Stainless Pistol Full Build Kit
Davidson Defense 'Ox Tail w/Gauntlet Arms Brace' 7.5-inch AR-15 5.56 NATO Stainless Pistol Full Build Kit
$329.99 $249.99 Sale
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Davidson Defense 'Ox Tail w/KAK Brace' 7.5-inch AR-15 5.56 NATO Stainless Pistol Full Build Kit
Davidson Defense 'Ox Tail w/KAK Brace' 7.5-inch AR-15 5.56 NATO Stainless Pistol Full Build Kit
$349.99 $264.99 Sale
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Davidson Defense 'Ox Tail w/SBM4 Brace' 7.5-inch AR-15 5.56 NATO Stainless Pistol Full Build Kit
Davidson Defense 'Ox Tail w/SBM4 Brace' 7.5-inch AR-15 5.56 NATO Stainless Pistol Full Build Kit
$364.99 $274.99 Sale
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Davidson Defense 'Ox Tail w/SBA3 Brace' 7.5-inch AR-15 5.56 NATO Stainless Pistol Full Build Kit
Davidson Defense 'Ox Tail w/SBA3 Brace' 7.5-inch AR-15 5.56 NATO Stainless Pistol Full Build Kit
$414.99 $309.99 Sale
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Davidson Defense 'Ox Tail w/SBA5 Brace' 7.5-inch AR-15 5.56 NATO Stainless Pistol Full Build Kit
Davidson Defense 'Ox Tail w/SBA5 Brace' 7.5-inch AR-15 5.56 NATO Stainless Pistol Full Build Kit
$414.99 $309.99 Sale
In Stock. Free Shipping.
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Davidson Defense Raven’s Watch 10.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
Davidson Defense Raven’s Watch 10.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
$164.99 $124.99 Sale
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Davidson Defense Aegis Lightweight 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit Stainless Barrel
Davidson Defense Aegis Lightweight 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit Stainless Barrel
$159.99 $119.99 Sale
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Davidson Defense Aegis Lightweight 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build Stainless Barrel
Davidson Defense Aegis Lightweight 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build Stainless Barrel
$244.99 $184.99 Sale
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Davidson Defense Raven’s Watch 10.5-inch AR-15 5.56 NATO Pistol Complete Upper
Davidson Defense Raven’s Watch 10.5-inch AR-15 5.56 NATO Pistol Complete Upper
$244.99 $184.99 Sale
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Davidson Defense Raven’s Watch w/Gauntlet Arms Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit
Davidson Defense Raven’s Watch w/Gauntlet Arms Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit
$309.99 $229.99 Sale
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Davidson Defense Raven’s Watch w/KAK Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit
Davidson Defense Raven’s Watch w/KAK Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit
$329.99 $249.99 Sale
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Davidson Defense Raven’s Watch w/SBA3 Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit
Davidson Defense Raven’s Watch w/SBA3 Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit
$394.99 $294.99 Sale
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Davidson Defense Raven’s Watch w/SBA5 Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit
Davidson Defense Raven’s Watch w/SBA5 Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit
$394.99 $294.99 Sale
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Davidson Defense Raven’s Watch w/SBM4 Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit
Davidson Defense Raven’s Watch w/SBM4 Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit
$344.99 $259.99 Sale
In Stock. Free Shipping.
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Davidson Defense Aegis Lightweight w/Gauntlet Arms Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit Stainless Barrel
Davidson Defense Aegis Lightweight w/Gauntlet Arms Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit Stainless Barrel
$304.99 $229.99 Sale
In Stock.
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Davidson Defense Aegis Lightweight w/KAK Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit Stainless Barrel
Davidson Defense Aegis Lightweight w/KAK Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit Stainless Barrel
$329.99 $244.99 Sale
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Davidson Defense Aegis Lightweight w/SBA3 Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit Stainless Barrel
Davidson Defense Aegis Lightweight w/SBA3 Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit Stainless Barrel
$389.99 $294.99 Sale
In Stock. Free Shipping.
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Davidson Defense Aegis Lightweight w/SBA5 Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit Stainless Barrel
Davidson Defense Aegis Lightweight w/SBA5 Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit Stainless Barrel
$389.99 $294.99 Sale
In Stock. Free Shipping.
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Davidson Defense Aegis Lightweight w/SBM4 Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit Stainless Barrel
Davidson Defense Aegis Lightweight w/SBM4 Brace 10.5-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit Stainless Barrel
$339.99 $259.99 Sale
In Stock. Free Shipping.
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Davidson Defense Show Stopper 16.5-inch AR-15 5.56 NATO Rifle Upper Build Kit
Davidson Defense Show Stopper 16.5-inch AR-15 5.56 NATO Rifle Upper Build Kit
$179.99 $134.99 Sale
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Davidson Defense Show Stopper 16.5-inch AR-15 5.56 NATO Rifle Complete Upper Build
Davidson Defense Show Stopper 16.5-inch AR-15 5.56 NATO Rifle Complete Upper Build
$259.99 $194.99 Sale
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Davidson Defense Imperial Enforcer 16.5-inch AR-15 5.56 NATO Rifle Upper Build Kit
Davidson Defense Imperial Enforcer 16.5-inch AR-15 5.56 NATO Rifle Upper Build Kit
$554.99 $419.99 Sale
In Stock. Free Shipping.
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