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

Upper Builds by Caliber



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 $134.99
DD 'Fennek' 16.5
DD 'Fennek' 16.5" AR-15 5.56 Full Build Kit
$349.99 Original price $259.99
Davidson Defense 'Grimace' 7.5
Davidson Defense 'Grimace' 7.5" AR-15 .300 Blackout Manganese Phosphate Pistol Upper Build Kit
$189.99 Original price $139.99
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
$169.99 Original price $129.99
Davidson Defense Warden 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 Freefloat Keymod Handguard Rifle Full Build Kit
Davidson Defense Warden 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 Freefloat Keymod Handguard Rifle Full Build Kit
$319.99 Original price $239.99
Davidson Defense Aegis 16-inch Carbine-Gas 1:8 .223 Wylde AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit
Davidson Defense Aegis 16-inch Carbine-Gas 1:8 .223 Wylde AR-15 Freefloat M-Lok Handguard Rifle Full Build Kit
$329.99 Original price $249.99
Davidson Defense Aegis 8.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit, Suppressor Ready
Davidson Defense Aegis 8.5-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit, Suppressor Ready
$164.99 Original price $124.99
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
$174.99 Original price $129.99
Davidson Defense Executive Order 10.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Assembled Upper Receiver
Davidson Defense Executive Order 10.5-inch 1:10 9MM AR-9 Freefloat M-Lok Handguard Pistol Assembled Upper Receiver
$159.99 Original price $119.99
Davidson Defense Ormal 16-inch AR-15 .300 BLK Rifle Upper Build Kit
Davidson Defense Ormal 16-inch AR-15 .300 BLK Rifle Upper Build Kit
$189.99 Original price $144.99
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
$149.99 Original price $109.99
Davidson Defense Gamekeeper 4.5-inch AR-15 .22 LR Pistol Complete Upper
Davidson Defense Gamekeeper 4.5-inch AR-15 .22 LR Pistol Complete Upper
$334.99 Original price $249.99

New Releases

90 Degree Adjustable Folding Vertical Foregrip, Quick-Deploy Folding Design, Picatinny Rail Mount, Reinforced Polymer Construction, Flat Dark Earth (FDE)
90 Degree Adjustable Folding Vertical Foregrip, Quick-Deploy Folding Design, Picatinny Rail Mount, Reinforced Polymer Construction, Flat Dark Earth (FDE)
$9.99 Original price $6.99
Davidson Defense Hogsbane 16-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat Keymod Handguard Rifle Upper Build Kit
Davidson Defense Hogsbane 16-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat Keymod Handguard Rifle Upper Build Kit
$198.99 Original price $149.99
5.5-inch AR-15 10MM Direct Blowback Barrel, 1:16 Twist, 5/8x24 Threaded, Black Nitride
5.5-inch AR-15 10MM Direct Blowback Barrel, 1:16 Twist, 5/8x24 Threaded, Black Nitride
$65.99 Original price $49.99
Bear Creek Arsenal 16-inch 223 Wylde Carbine-Gas 1:8 Straight Flute Barrel, 4150 Steel, Nitride
Bear Creek Arsenal 16-inch 223 Wylde Carbine-Gas 1:8 Straight Flute Barrel, 4150 Steel, Nitride
$94.99 Original price $69.99

Products [1010]

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Davidson Defense 'Freebird' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build
Davidson Defense 'Freebird' 16-inch AR-15 5.56 NATO Nitride Rifle Complete Upper Build
$474.99 $354.99 Sale
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Davidson Defense 'Freebird' 16-inch AR-15 5.56 NATO Nitride Rifle Full Build Kit
Davidson Defense 'Freebird' 16-inch AR-15 5.56 NATO Nitride Rifle Full Build Kit
$554.99 $419.99 Sale
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DD 'Silver Wings' 16-inch AR-15 5.56 NATO Stainless Rifle Upper Build Kit
DD 'Silver Wings' 16-inch AR-15 5.56 NATO Stainless Rifle Upper Build Kit
$489.99 $369.99 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 Upper Build Kit
Davidson Defense Aegis Lightweight 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 15-inch Freefloat M-Lok Handguard Rifle Upper Build Kit
$184.99 $139.99 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
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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 Upper Build Kit
Davidson Defense Aegis Lightweight 16.5-inch Mid-Gas 1:7 5.56 NATO AR-15 Freefloat M-Lok Handguard Rifle Upper Build Kit
$179.99 $134.99 Sale
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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
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Davidson Defense 'Golden Order-Side Charging' 8.5-inch AR-15 .300BLK Parkerized Side-Charging Pistol Upper Build Kit
Davidson Defense 'Golden Order-Side Charging' 8.5-inch AR-15 .300BLK Parkerized Side-Charging Pistol Upper Build Kit
$189.99 $144.99 Sale
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Davidson Defense 'Scorpion Stinger' 8.5
Davidson Defense 'Scorpion Stinger' 8.5"-inch AR-15 .300BLK Parkerized Pistol Upper Build Kit
$169.99 $124.99 Sale
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Davidson Defense 'Scorpion Stinger' 8.5
Davidson Defense 'Scorpion Stinger' 8.5"-inch AR-15 .300BLK Parkerized Pistol Complete Upper Build
$249.99 $189.99 Sale
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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
$169.99 $129.99 Sale
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Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Complete Upper Build
Davidson Defense 'Meteoric Ore' 7.5-inch AR-15 .300BLK Phosphate Pistol Complete Upper Build
$249.99 $189.99 Sale
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Davidson Defense 'Meteoric Ore w/KAK Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/KAK Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$339.99 $254.99 Sale
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Davidson Defense 'Meteoric Ore w/SBA3 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/SBA3 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$399.99 $304.99 Sale
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Davidson Defense 'Meteoric Ore w/Gauntlet Arms Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/Gauntlet Arms Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$314.99 $239.99 Sale
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Davidson Defense 'Meteoric Ore w/SBA5 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/SBA5 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$399.99 $304.99 Sale
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Davidson Defense 'Meteoric Ore w/SBM4 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
Davidson Defense 'Meteoric Ore w/SBM4 Brace' 7.5-inch AR-15 .300BLK Phosphate Pistol Full Build Kit
$354.99 $264.99 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 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 $134.99 Sale
In Stock.
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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
$259.99 $194.99 Sale
In Stock.
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Davidson Defense Aegis w/Gauntlet Arms Brace 7.5-inch Pistol-Gas 1:7 Stainless Steel 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 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$324.99 $244.99 Sale
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Davidson Defense Aegis w/KAK Brace 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/KAK Brace 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$344.99 $259.99 Sale
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Davidson Defense Aegis w/SBA3 Brace 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/SBA3 Brace 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$409.99 $309.99 Sale
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Davidson Defense Aegis w/SBA5 Brace 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/SBA5 Brace 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$409.99 $309.99 Sale
In Stock. Free Shipping.
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Davidson Defense Aegis w/SBM4 Brace 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
Davidson Defense Aegis w/SBM4 Brace 7.5-inch Pistol-Gas 1:7 Stainless Steel 5.56 NATO AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit
$359.99 $269.99 Sale
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