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

Shop by Caliber > AR-15 & LR-308/AR-10 Upper Build Kits



Top Sellers

Davidson Defense Davidson Defense 'Rising Phoenix 5.56' 7.5-inch AR-15 5.56 NATO Stainless Pistol Upper Build Kit
Davidson Defense Davidson Defense 'Rising Phoenix 5.56' 7.5-inch AR-15 5.56 NATO Stainless Pistol Upper Build Kit
$174.99 Original price $129.99
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
$199.99 Original price $149.99
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
$174.99 Original price $134.99
Davidson Defense 'Flatout' 4'' AR-15 9MM 1-10T Blowback Build Kit
Davidson Defense 'Flatout' 4'' AR-15 9MM 1-10T Blowback Build Kit
$174.99 Original price $129.99
Davidson Defense 'Black Ice' 4.5'' AR-15 9MM 1-10T Blowback Build Kit
Davidson Defense 'Black Ice' 4.5'' AR-15 9MM 1-10T Blowback Build Kit
$159.99 Original price $119.99
Davidson Defense Cursebreaker 7.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
Davidson Defense Cursebreaker 7.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
$169.99 Original price $124.99
Davidson Defense 'Compact Quad' 10.5
Davidson Defense 'Compact Quad' 10.5" AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$254.99 Original price $194.99
Davidson Defense Nightflare 7.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
Davidson Defense Nightflare 7.5-inch AR-15 5.56 NATO Pistol Upper Build Kit
$174.99 Original price $129.99
Davidson Defense 'Honest Work' 10.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
Davidson Defense 'Honest Work' 10.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$169.99 Original price $129.99
Davidson Defense Tough Guy 10.5-inch Carbine-Gas 5.56 NATO AR-15 Rifle Assembled Upper Receiver
Davidson Defense Tough Guy 10.5-inch Carbine-Gas 5.56 NATO AR-15 Rifle Assembled Upper Receiver
$159.99 Original price $119.99
Davidson Defense Strand Titan 7.5-inch AR-15 .223 Wylde Pistol Upper Build Kit
Davidson Defense Strand Titan 7.5-inch AR-15 .223 Wylde Pistol Upper Build Kit
$179.99 Original price $139.99
Davidson Defense 'Van Cleef' 8'' AR-15 .45 ACP 1-16T Blowback Build Kit
Davidson Defense 'Van Cleef' 8'' AR-15 .45 ACP 1-16T Blowback Build Kit
$204.99 Original price $154.99

New Releases

Davidson Defense 7.5
Davidson Defense 7.5" .45 ACP AR-45 Barrel, Parkerized Finish, 1:16 Twist, Blowback, 4150 CMV Steel, 37/64x28 Thread Pitch
$79.99 Original price $59.99
Davidson Defense Bite ’n’ Bark 2.0 8.5-inch Pistol-Gas+1-inch 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Assembled Complete Upper Receiver
Davidson Defense Bite ’n’ Bark 2.0 8.5-inch Pistol-Gas+1-inch 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Assembled Complete Upper Receiver
$278.99 Original price $209.99
Mercury Precision AR-15 5.56/.223, HPT/MPI Tested, Full Auto Profile, 9310 Steel Nitride Bolt Carrier Group w/ Breek Arms Warhammer MOD2 MICRO Ambi Charging Handle, Black
Mercury Precision AR-15 5.56/.223, HPT/MPI Tested, Full Auto Profile, 9310 Steel Nitride Bolt Carrier Group w/ Breek Arms Warhammer MOD2 MICRO Ambi Charging Handle, Black
$233.99 Original price $169.99
Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group w/ Breek Arms Warhammer MOD2 MICRO Ambi Charging Handle, Black
Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group w/ Breek Arms Warhammer MOD2 MICRO Ambi Charging Handle, Black
$133.99 Original price $99.99
Shop by Caliber > AR-15 & LR-308/AR-10 Upper Build Kits subcategories
  • .223 Rem > AR-15 Upper Build Kits
  • 5.56 NATO > AR-15 Upper Build Kit
  • .223 Wylde > AR-15 Upper Build Kits
  • 6mm ARC > AR-15 Upper Build Kits
  • 6.5 Creedmoor > LR-308/AR-10 Upper Build Kits
  • 6.5 Grendel > AR-15 Upper Build Kits
  • 7.62x39 > AR-15 Upper Build Kits
  • .300 Blackout > AR-15 Upper Build Kits
  • .308 Winchester > LR-308/AR-10 Upper Build Kits
  • 8.6 Blackout
  • .350 Legend > AR-15 Upper Build Kits
  • 9mm > AR-15 Upper Build Kits
  • 10MM > AR-15 Upper Build Kits
  • .45 ACP > AR-15 Upper Build Kits
  • .450 Bushmaster > AR-15 Upper Build Kits
  • .458 SOCOM > AR-15 Upper Build Kits
  • 12.7x42 > AR-15 Upper Build Kits

Products [319]

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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
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Davidson Defense 'Golden Hawk' 8.3-inch AR-15 9mm Nitride Pistol Upper Build Kit
Davidson Defense 'Golden Hawk' 8.3-inch AR-15 9mm Nitride Pistol Upper Build Kit
$199.99 $149.99 Sale
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Davidson Defense 'Eagle Eye' 8.3-inch AR-15 9mm Nitride Pistol Upper Build Kit
Davidson Defense 'Eagle Eye' 8.3-inch AR-15 9mm Nitride Pistol Upper Build Kit
$189.99 $144.99 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
$184.99 $139.99 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 '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
$169.99 $129.99 Sale
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Davidson Defense 'Majestic Beast' 16-inch AR-15 9mm Nitride Rifle Upper Build Kit
Davidson Defense 'Majestic Beast' 16-inch AR-15 9mm Nitride Rifle Upper Build Kit
$599.99 $449.99 Sale
In Stock. Free Shipping.
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Davidson Defense Davidson Defense 'M.A.V. 7 in 5.56' 7.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
Davidson Defense Davidson Defense 'M.A.V. 7 in 5.56' 7.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$194.99 $149.99 Sale
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Davidson Defense 'Sky King' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'Sky King' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$619.99 $464.99 Sale
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Davidson Defense 'Avalanche in .223' 16-inch AR-15 .223 Wylde Phosphate Rifle Upper Build Kit
Davidson Defense 'Avalanche in .223' 16-inch AR-15 .223 Wylde Phosphate Rifle Upper Build Kit
$204.99 $154.99 Sale
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Davidson Defense 'Avalanche in 7.62' 16.25-inch AR-15 7.62x39 Nitride Rifle Upper Build Kit
Davidson Defense 'Avalanche in 7.62' 16.25-inch AR-15 7.62x39 Nitride Rifle Upper Build Kit
$264.99 $199.99 Sale
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Davidson Defense 'Avalanche in .350' 16-inch AR-15 .350 Legend Phosphate Rifle Upper Build Kit
Davidson Defense 'Avalanche in .350' 16-inch AR-15 .350 Legend Phosphate Rifle Upper Build Kit
$224.99 $169.99 Sale
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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
$199.99 $149.99 Sale
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Davidson Defense 'Tumbleweed in .223' 7.5-inch AR-15 .223 Wylde Nitride Pistol Upper Build Kit
Davidson Defense 'Tumbleweed in .223' 7.5-inch AR-15 .223 Wylde Nitride Pistol Upper Build Kit
$169.99 $129.99 Sale
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Davidson Defense 'MAV9' 11-inch AR-15 9mm Nitride Pistol Upper Build Kit
Davidson Defense 'MAV9' 11-inch AR-15 9mm Nitride Pistol Upper Build Kit
$194.99 $149.99 Sale
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Davidson Defense 'M.A.V. 12 in 7.62' 16.25-inch AR-15 7.62x39 Nitride Rifle Upper Build Kit
Davidson Defense 'M.A.V. 12 in 7.62' 16.25-inch AR-15 7.62x39 Nitride Rifle Upper Build Kit
$254.99 $189.99 Sale
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Davidson Defense 'XV556' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'XV556' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$214.99 $159.99 Sale
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Davidson Defense Aegis 16-inch Carbine-Gas 1:9 7.62x39 AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
Davidson Defense Aegis 16-inch Carbine-Gas 1:9 7.62x39 AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
$254.99 $189.99 Sale
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Davidson Defense 'M.A.V. 15 in 9MM' 16-inch AR-15 9mm Nitride Rifle Upper Build Kit
Davidson Defense 'M.A.V. 15 in 9MM' 16-inch AR-15 9mm Nitride Rifle Upper Build Kit
$194.99 $144.99 Sale
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Davidson Defense 'XII556' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'XII556' 16.5-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$214.99 $159.99 Sale
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Davidson Defense 'Gadsen' 16
Davidson Defense 'Gadsen' 16" AR-15 9mm Nitride Rifle Upper Build Kit
$429.99 $324.99 Sale
In Stock. Free Shipping.
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Davidson Defense 'Eye of Providence' 16
Davidson Defense 'Eye of Providence' 16" AR-15 9mm Nitride Rifle Upper Build Kit
$599.99 $449.99 Sale
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Davidson Defense 'Blessing of Liberty' 16
Davidson Defense 'Blessing of Liberty' 16" AR-15 9mm Nitride Rifle Upper Build Kit
$429.99 $324.99 Sale
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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 Upper Build Kit
$459.99 $349.99 Sale
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218 N State Street Orem UT 84057
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