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Rifle Length > 5.56 NATO > AR-15 Upper Build Kit

Top Sellers

Davidson Defense 'Ballast' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build
Davidson Defense 'Ballast' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build
$499.99 $234.99
Davidson Defense 'Bridgeville 5.56 NATO' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
Davidson Defense 'Bridgeville 5.56 NATO' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$464.99 $199.99
Davidson Defense 'Lightshow II - Purple' 16-inch AR-15 5.56 NATO Manganese Phosphate Rifle Upper Build Kit
Davidson Defense 'Lightshow II - Purple' 16-inch AR-15 5.56 NATO Manganese Phosphate Rifle Upper Build Kit
$454.99 $189.99
Davidson Defense 'Phatte Cat' 16-inch AR-15 5.56 NATO Manganese Phosphate Rifle Upper Build Kit
Davidson Defense 'Phatte Cat' 16-inch AR-15 5.56 NATO Manganese Phosphate Rifle Upper Build Kit
$469.99 $204.99

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  4. Shop by Caliber > AR-15 & LR-308/AR-10 Upper Build Kits
  5. 5.56 NATO > AR-15 Upper Build Kit
  6. Rifle Length > 5.56 NATO > AR-15 Upper Build Kit
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Products [118]

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Davidson Defense
Davidson Defense"Manta Ray" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 15" KeyMod Handguard (Assembled or Unassembled)
$424.99 $274.99 Sale
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Ace High Arms
Ace High Arms "Littleknot" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$474.99 $284.99 Sale
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MMC Arms Top Shelf
MMC Arms Top Shelf "Lynx" AR-15 Featuring Davidson Defense Upper Receiver 18" Faxon Firearms 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 17.5" KeyMod ODIN Works Handguard (Assembled or Unassembled)
$624.99 $379.99 Sale
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Davidson Defense
Davidson Defense "Blade Eagle" AR-15 Upper Receiver 24" 5.56 NATO 416R Stainless 1-9T Target Crowned Bull Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$484.99 $234.99 Sale
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Davidson Defense
Davidson Defense "Joust" Side Charging AR-15 Upper Receiver 20" 5.56 NATO 416R Stainless 1-9T Target Crowned Bull Barrel 15" KeyMod Handguard (Assembled or Unassembled)
$524.99 $359.99 Sale
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Davidson Defense
Davidson Defense "Themis" AR-15 Upper Receiver 24" 5.56 NATO 416R Stainless 1-9T Target Crowned Bull Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$519.99 $229.99 Sale
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MMC Arms Top Shelf
MMC Arms Top Shelf "Hognose" AR-15 Featuring Aero Precision Upper Receiver 18" Faxon Firearms 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" Unique AR Handguard (Assembled or Unassembled)
$809.99 $559.99 Sale
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Davidson Defense
Davidson Defense "Huckleberry" AR-15 Upper Receiver 20" 5.56 NATO 4150 CMV QPQ Nitride 1-9T Heavy Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$534.99 $264.99 Sale
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Davidson Defense 'Fenwick Island' 16
Davidson Defense 'Fenwick Island' 16" AR-15 5.56 NATO Nitride Rifle Upper Build Kit
$454.99 $189.99 Sale
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Davidson Defense
Davidson Defense "Lucin" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$524.99 $289.99 Sale
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Davidson Defense
Davidson Defense "Alunite" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$529.99 $279.99 Sale
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Davidson Defense
Davidson Defense "Gretna" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$529.99 $284.99 Sale
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Davidson Defense
Davidson Defense "Amite" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$529.99 $279.99 Sale
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Davidson Defense
Davidson Defense "Lafayette" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 17" M-Lok Handguard (Assembled or Unassembled)
$514.99 $279.99 Sale
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Davidson Defense
Davidson Defense "Tarvos" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$579.99 $279.99 Sale
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Davidson Defense
Davidson Defense "Riverton" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$564.99 $279.99 Sale
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Davidson Defense
Davidson Defense "Midvale" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$564.99 $279.99 Sale
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Davidson Defense
Davidson Defense "Leawood" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$554.99 $284.99 Sale
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Davidson Defense
Davidson Defense "Acerola" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$579.99 $284.99 Sale
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Davidson Defense
Davidson Defense "Topeka" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$544.99 $274.99 Sale
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Davidson Defense
Davidson Defense "Salina" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$554.99 $279.99 Sale
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Davidson Defense
Davidson Defense "Lenexa" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$554.99 $279.99 Sale
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Davidson Defense
Davidson Defense "Tangelo" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$559.99 $279.99 Sale
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Davidson Defense
Davidson Defense "Wichita" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV 1-8T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$554.99 $279.99 Sale
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