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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 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
$254.99 Original price $194.99
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
$279.99 Original price $209.99
DD 'The Vampire 5.56 NATO V5' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build Kit
DD 'The Vampire 5.56 NATO V5' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build Kit
$289.99 Original price $214.99
Davidson Defense Warden Duty 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat Keymod Handguard Rifle Complete Upper Build
Davidson Defense Warden Duty 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat Keymod Handguard Rifle Complete Upper Build
$254.99 Original price $194.99
Davidson Defense Shockwave 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
Davidson Defense Shockwave 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
$289.99 Original price $214.99
Davidson Defense Commandant 8.5-inch Pistol-Gas 1:7 5.56x45mm NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Commandant 8.5-inch Pistol-Gas 1:7 5.56x45mm NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$259.99 Original price $194.99
Davidson Defense Left-Handed Aegis 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
Davidson Defense Left-Handed Aegis 16-inch Carbine-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build
$279.99 Original price $214.99
Davidson Defense Hard Resolve 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
Davidson Defense Hard Resolve 7.5-inch Pistol-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Complete Upper Build
$269.99 Original price $204.99

New Releases

Grit Grips G43X/G48 Compatible Assembled Serialized Frame, FDE, 18° Grip Angle, Complete Lower Parts Kit & Locking Block
Grit Grips G43X/G48 Compatible Assembled Serialized Frame, FDE, 18° Grip Angle, Complete Lower Parts Kit & Locking Block
$171.99 Original price $129.99
Grit Grips G43X/G48 Compatible Assembled Serialized Pistol Frame, Gray, with Locking Block, Complete Lower Parts Kit & G43X/G48 Magazine Catch
Grit Grips G43X/G48 Compatible Assembled Serialized Pistol Frame, Gray, with Locking Block, Complete Lower Parts Kit & G43X/G48 Magazine Catch
$171.99 Original price $129.99
AR-15 PCC Heavy-Duty 6-Position Buffer System Kit with 8 oz. Long Buffer, Carbine Spring, Castle Nut & End Plate
AR-15 PCC Heavy-Duty 6-Position Buffer System Kit with 8 oz. Long Buffer, Carbine Spring, Castle Nut & End Plate
$38.99 Original price $29.99
Davidson Defense The Ranger 10.5-inch 1:8 5.56 NATO AR-15 Drop-In M-Lok Handguard Pistol Upper Build Kit
Davidson Defense The Ranger 10.5-inch 1:8 5.56 NATO AR-15 Drop-In M-Lok Handguard Pistol Upper Build Kit
$224.99 Original price $169.99
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 [148]

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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
$639.99 $479.99 Sale
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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
$514.99 $389.99 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
$484.99 $364.99 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
$484.99 $364.99 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
$449.99 $339.99 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
$414.99 $314.99 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
$359.99 $269.99 Sale
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Davidson Defense 'Griffin' 8.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
Davidson Defense 'Griffin' 8.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$274.99 $204.99 Sale
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'Cobblestone Prairie ' 10.5-inch AR-15 5.56 NATO Phosphate Pistol Complete Upper Build
'Cobblestone Prairie ' 10.5-inch AR-15 5.56 NATO Phosphate Pistol Complete Upper Build
$269.99 $204.99 Sale
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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
$309.99 $234.99 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
$309.99 $234.99 Sale
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Davidson Defense 'Spectre' 8.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
Davidson Defense 'Spectre' 8.5-inch AR-15 5.56 NATO Nitride Pistol Complete Upper Build
$264.99 $199.99 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
$284.99 $214.99 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
$289.99 $219.99 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
$284.99 $214.99 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
$279.99 $209.99 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
$279.99 $209.99 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
$479.99 $364.99 Sale
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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
$269.99 $204.99 Sale
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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
$259.99 $194.99 Sale
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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
$279.99 $209.99 Sale
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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
$279.99 $209.99 Sale
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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
$259.99 $194.99 Sale
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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
$294.99 $219.99 Sale
In Stock.
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