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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 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 Original price $189.99
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
$249.99 Original price $189.99
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
$244.99 Original price $184.99
Davidson Defense Stackpoint 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Stackpoint 10.5-inch Carbine-Gas 1:8 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$249.99 Original price $184.99
Davidson Defense 'Avalanche' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build, Plan B A7 Flash Hider
Davidson Defense 'Avalanche' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build, Plan B A7 Flash Hider
$334.99 Original price $254.99
Davidson Defense Aegis 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build, Plan B A7 Flash Hider
Davidson Defense Aegis 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build, Plan B A7 Flash Hider
$324.99 Original price $244.99

New Releases

Davidson Defense No-Buffer AR-15 Rifle Lower Build Kit, Rare Breed FRT 15L3 Flat Trigger, Carbine MIL-SPEC 6 Position Buttstock
Davidson Defense No-Buffer AR-15 Rifle Lower Build Kit, Rare Breed FRT 15L3 Flat Trigger, Carbine MIL-SPEC 6 Position Buttstock
Free Shipping.
$698.99 Original price $524.99
Davidson Defense No-Buffer AR-15 Rifle Lower Build Kit, Rare Breed FRT 15L3 Flat Trigger, SOPMOD Style Collapsible Stock
Davidson Defense No-Buffer AR-15 Rifle Lower Build Kit, Rare Breed FRT 15L3 Flat Trigger, SOPMOD Style Collapsible Stock
Free Shipping.
$697.99 Original price $524.99
BCM Mod 4 Grip, FDE
BCM Mod 4 Grip, FDE
$22.99 Original price $16.99
Davidson Defense RMR Cover Plate, Compatible With Most Glock Slide RMR Cuts, Screws Included
Davidson Defense RMR Cover Plate, Compatible With Most Glock Slide RMR Cuts, Screws Included
$7.99 Original price $5.99
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 [136]

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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
Out of Stock. Free Shipping.
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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
$469.99 $349.99 Sale
Out of Stock. Free Shipping.
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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
$469.99 $349.99 Sale
Out of Stock. Free Shipping.
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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
Out of Stock. Free Shipping.
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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
Out of Stock. Free Shipping.
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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
$344.99 $259.99 Sale
Out of Stock. Free Shipping.
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DD 'Blacktail' 10.5
DD 'Blacktail' 10.5" AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$324.99 $244.99 Sale
In Stock.
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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
$294.99 $224.99 Sale
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DD 'Rogue Renegade' 16
DD 'Rogue Renegade' 16" AR-15 5.56 NATO Stainless Rifle Complete Upper Build
$294.99 $219.99 Sale
In Stock.
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'Raven' 7.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
'Raven' 7.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$254.99 $194.99 Sale
In Stock.
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'Nimbus Mist ' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build
'Nimbus Mist ' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build
$304.99 $229.99 Sale
In Stock.
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'Vali V4' 7.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
'Vali V4' 7.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$269.99 $204.99 Sale
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'Sirocco' 7.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
'Sirocco' 7.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$269.99 $204.99 Sale
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'Plasma Blast' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build
'Plasma Blast' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build
$294.99 $224.99 Sale
In Stock.
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'ARKX 556' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
'ARKX 556' 10.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$424.99 $319.99 Sale
In Stock. Free Shipping.
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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
$274.99 $204.99 Sale
In Stock.
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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
$319.99 $239.99 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
$249.99 $189.99 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 $204.99 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 $209.99 Sale
In Stock.
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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
$249.99 $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
$269.99 $204.99 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 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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