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  1. Home
  2. AR-15 & AR-10 Build Kits
  3. Complete Upper Build Kits
  4. Shop by Caliber > AR-15 & LR-308/AR-10 Complete Upper Build Kits
  5. 5.56 NATO > AR-15 Complete Upper Build Kits

5.56 NATO > AR-15 Complete Upper Build Kits



Top Sellers

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
Davidson Defense 'Shorty Slade' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
Davidson Defense 'Shorty Slade' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$264.99 Original price $199.99
DD 'Rogue Renegade' 16
DD 'Rogue Renegade' 16" AR-15 5.56 NATO Stainless Rifle Complete Upper Build
$319.99 Original price $239.99
Davidson Defense Light Slinger 18-inch Rifle-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
Davidson Defense Light Slinger 18-inch Rifle-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
$259.99 Original price $194.99
Davidson Defense Vanyar (Suppressor Ready) 16.5-inch AR-15 5.56 NATO Rifle Complete Upper Build
Davidson Defense Vanyar (Suppressor Ready) 16.5-inch AR-15 5.56 NATO Rifle Complete Upper Build
$254.99 Original price $189.99
Davidson Defense Aegis Lightweight 18-inch Rifle-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
Davidson Defense Aegis Lightweight 18-inch Rifle-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
$259.99 Original price $199.99
Davidson Defense A Unique 5.56 10.5-inch AR-15 5.56 NATO Pistol Complete Upper
Davidson Defense A Unique 5.56 10.5-inch AR-15 5.56 NATO Pistol Complete Upper
$459.99 Original price $344.99
Davidson Defense Side Show 16.5-inch AR-15 5.56 NATO Rifle Complete Upper Build
Davidson Defense Side Show 16.5-inch AR-15 5.56 NATO Rifle Complete Upper Build
$299.99 Original price $224.99

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
5.56 NATO > AR-15 Complete Upper Build Kits subcategories
  • Pistol Length > 5.56 NATO > AR-15 Complete Upper Build Kits
  • Rifle Length > 5.56 NATO > AR-15 Complete Upper Build Kits

Products [98]

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ELITE AR-15 Geissele MK8 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
ELITE AR-15 Geissele MK8 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
$624.99 $469.99 Sale
Out of Stock. Free Shipping.
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ELITE AR-15 with Timber Creek Greyman Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
ELITE AR-15 with Timber Creek Greyman Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
$499.99 $374.99 Sale
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ELITE AR-15 with Timber Creek Enforcer Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
ELITE AR-15 with Timber Creek Enforcer Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
$464.99 $349.99 Sale
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ELITE AR-15 with Timber Creek Ultra Lite Enforcer Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
ELITE AR-15 with Timber Creek Ultra Lite Enforcer Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
$464.99 $349.99 Sale
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ELITE AR-15 with Timber Creek Enforcer 13-inch Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
ELITE AR-15 with Timber Creek Enforcer 13-inch Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
$434.99 $324.99 Sale
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ELITE AR-15 with Kaw Valley Konza Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
ELITE AR-15 with Kaw Valley Konza Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
$399.99 $299.99 Sale
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ELITE AR-15 with ODIN Works Forend Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
ELITE AR-15 with ODIN Works Forend Handguard 16.5-inch 5.56 NATO Nitride Rifle Complete Upper Build with X2 Dev Group Jackal X Charging Handle
$339.99 $259.99 Sale
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DD 'Silver Sentinel' 16-inch AR-15 5.56 NATO Stainless Rifle Complete Upper Build
DD 'Silver Sentinel' 16-inch AR-15 5.56 NATO Stainless Rifle Complete Upper Build
$319.99 $239.99 Sale
In Stock.
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DD 'Rogue Renegade' 16
DD 'Rogue Renegade' 16" AR-15 5.56 NATO Stainless Rifle Complete Upper Build
$319.99 $239.99 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
$269.99 $199.99 Sale
In Stock.
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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
$274.99 $204.99 Sale
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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
$269.99 $204.99 Sale
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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 Complete Upper Build
Davidson Defense Aegis Lightweight 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 15-inch Freefloat M-Lok Handguard Rifle Complete Upper Build
$264.99 $199.99 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 Complete Upper Build
Davidson Defense Aegis Lightweight 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
$264.99 $199.99 Sale
In Stock.
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Davidson Defense 'More Perfect Union' 16.5
Davidson Defense 'More Perfect Union' 16.5" AR-15 5.56 NATO Nitride Rifle Complete Upper Build
$474.99 $359.99 Sale
In Stock. Free Shipping.
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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 Complete Upper Build
Davidson Defense Aegis 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$254.99 $194.99 Sale
In Stock.
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Davidson Defense 'Capture' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
Davidson Defense 'Capture' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$249.99 $189.99 Sale
In Stock.
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Davidson Defense 'Shorty Slade' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
Davidson Defense 'Shorty Slade' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$264.99 $199.99 Sale
In Stock.
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Davidson Defense 'Slade 5.56' 16.5-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build
Davidson Defense 'Slade 5.56' 16.5-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build
$264.99 $199.99 Sale
In Stock.
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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 $184.99 Sale
In Stock.
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Davidson Defense Aegis Lightweight 16-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
Davidson Defense Aegis Lightweight 16-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
$279.99 $214.99 Sale
In Stock.
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Davidson Defense Aegis Lightweight 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Aegis Lightweight 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$254.99 $189.99 Sale
In Stock.
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Davidson Defense Jungle Flame 10.5-inch AR-15 5.56 NATO Pistol Complete Upper
Davidson Defense Jungle Flame 10.5-inch AR-15 5.56 NATO Pistol Complete Upper
$254.99 $194.99 Sale
In Stock.
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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
In Stock.
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