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Pistol Upper Build Kits

Top Sellers

Davidson Defense
Davidson Defense "Crake" AR-15 Pistol Upper Receiver 4.5" .45 ACP 4150 CMV QPQ Nitride 1-16T Barrel 4" M-Lok Handguard (Assembled or Unassembled)
$209.99 $159.99
Davidson Defense 'Fortitude' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
Davidson Defense 'Fortitude' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
$154.99 $114.99
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
Davidson Defense
Davidson Defense "Caladium" AR-15 Pistol Upper Receiver 8" .45 ACP 4150 CMV QPQ Nitride 1-16T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$189.99 $144.99
Davidson Defense 'Vigilance Wing 9MM' 11-inch AR-15 9mm Nitride Pistol Upper Build Kit
Davidson Defense 'Vigilance Wing 9MM' 11-inch AR-15 9mm Nitride Pistol Upper Build Kit
$179.99 $134.99
Davidson Defense 'Black Bow' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
Davidson Defense 'Black Bow' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
$169.99 $129.99
Davidson Defense Idril 10.5-inch AR-15 10MM Pistol Upper Build Kit
Davidson Defense Idril 10.5-inch AR-15 10MM Pistol Upper Build Kit
$179.99 $134.99
Davidson Defense Isil 10.5-inch AR-15 10MM Pistol Upper Build Kit
Davidson Defense Isil 10.5-inch AR-15 10MM Pistol Upper Build Kit
$174.99 $129.99
Davidson Defense 'Full House' 10.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
Davidson Defense 'Full House' 10.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$169.99 $129.99
Davidson Defense 'Capture' 10.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
Davidson Defense 'Capture' 10.5-inch AR-15 5.56 NATO Nitride Pistol Upper Build Kit
$169.99 $129.99
Davidson Defense 'Van Cleef' 8
Davidson Defense 'Van Cleef' 8" AR-15 .45 ACP Nitride Pistol Upper Build Kit
$204.99 $154.99
Davidson Defense 'Bunsen' 4.5
Davidson Defense 'Bunsen' 4.5" AR-15 .45 ACP Nitride Pistol Upper Build Kit
$179.99 $139.99
Davidson Defense 'Canondorf' 10.5-inch AR-15 5.56 NATO Stainless Pistol Upper Build Kit
Davidson Defense 'Canondorf' 10.5-inch AR-15 5.56 NATO Stainless Pistol Upper Build Kit
$224.99 $169.99
Davidson Defense 'Silent Lightning' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
Davidson Defense 'Silent Lightning' 7.5-inch AR-15 .300BLK Phosphate Pistol Upper Build Kit
$189.99 $144.99
Davidson Defense 'Annapolis' 10.5
Davidson Defense 'Annapolis' 10.5" AR-15 .300 Blackout Manganese Phosphate Pistol Upper Build Kit
$209.99 $159.99

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  • 10MM > Pistol Length > AR-15 Upper Build Kits

Products [105]

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Davidson Defense AR-15
Davidson Defense AR-15"Axe" Assembled Pistol Upper Receiver 7.5" 5.56 NATO Stainless 1-7T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$194.99 $144.99 Sale
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MMC Arms Elite Series
MMC Arms Elite Series "Thumper" AR-15 Pistol Featuring Aero Precision Upper Receiver 10.5" .450 Bushmaster 1-24T 4150 CMV Heavy Barrel Premium 10" KeyMod Handguard (Assembled or Unassembled)
$314.99 $234.99 Sale
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MMC Arms
MMC Arms "Mini Sledge" AR-15 Featuring Aero Precision Upper Receiver 10.5" .450 Bushmaster 1-24T 4150 CMV Heavy Barrel 10" KeyMod Handguard (Assembled or Unassembled)
$299.99 $224.99 Sale
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Davidson Defense
Davidson Defense "Veiltail" AR-15 Pistol Upper Receiver 7.5" 7.62x39 4150 CMV 1-10T Heavy Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$274.99 $204.99 Sale
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MMC Arms
MMC Arms "Ange" LR-308 Featuring Aero Precision M5 Upper 10.5" .308 WIN 4150 CMV QPQ Nitride Heavy Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$354.99 $269.99 Sale
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Davidson Defense
Davidson Defense "Sounder" AR-15 Pistol Upper Receiver 8" 9MM 4150 CMV QPQ Nitride 1-10T KAK Industries Barrel 7" KeyMod Handguard (Assembled or Unassembled)
$164.99 $124.99 Sale
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Davidson Defense 'Anthea' 7.5
Davidson Defense 'Anthea' 7.5" AR-15 .300 Blackout Manganese Phosphate Pistol Upper Build Kit
$194.99 $149.99 Sale
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Davidson Defense 'Grimace' 7.5
Davidson Defense 'Grimace' 7.5" AR-15 .300 Blackout Manganese Phosphate Pistol Upper Build Kit
$199.99 $149.99 Sale
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Davidson Defense
Davidson Defense "Scaup" AR-15 Pistol Upper Receiver 7.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$234.99 $179.99 Sale
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Davidson Defense
Davidson Defense "Crake" AR-15 Pistol Upper Receiver 4.5" .45 ACP 4150 CMV QPQ Nitride 1-16T Barrel 4" M-Lok Handguard (Assembled or Unassembled)
$209.99 $159.99 Sale
In Stock
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Davidson Defense
Davidson Defense "Brant" AR-15 Pistol Upper Receiver 8" .45 ACP 4150 CMV QPQ Nitride Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$259.99 $194.99 Sale
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Davidson Defense
Davidson Defense "Antpitta" AR-15 Pistol Upper Receiver 4.5" .45 ACP 4150 CMV 1-16T Barrel 4" M-Lok Handguard (Assembled or Unassembled)
$209.99 $159.99 Sale
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Davidson Defense 'Ivy' 7.5
Davidson Defense 'Ivy' 7.5" AR-15 .300 Blackout Manganese Phosphate Pistol Upper Build Kit
$219.99 $164.99 Sale
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Davidson Defense
Davidson Defense "Fuego" AR-15 Pistol Upper Receiver 7.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 9" M-Lok Handguard (Assembled or Unassembled)
$239.99 $184.99 Sale
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Davidson Defense
Davidson Defense "Fregata" AR-15 Pistol Upper Receiver 10.5" 5.56 NATO 4150 CMV 1-7T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$209.99 $159.99 Sale
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Davidson Defense
Davidson Defense "Giga Wing" AR-15 Pistol Upper Receiver 10.5" 5.56 NATO 4150 CMV 1-8T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$204.99 $154.99 Sale
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Davidson Defense
Davidson Defense "Sergio" 7.5" AR-15 7.62x39 Pistol Upper Build Kit
$269.99 $204.99 Sale
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Davidson Defense 'Pista' 7.5
Davidson Defense 'Pista' 7.5" AR-15 .300 Blackout Manganese Phosphate Pistol Upper Build Kit
$199.99 $149.99 Sale
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Davidson Defense
Davidson Defense "Regiment" AR-15 Pistol Upper Receiver 11.5" 5.56 NATO 4150 CMV 1-7T Barrel Carbine Length Drop-In Handguard (Assembled or Unassembled)
$179.99 $134.99 Sale
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Davidson Defense
Davidson Defense "Maximus" AR-15 Pistol Upper Receiver 7.5" 7.62x39 4150 CMV 1-7T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$259.99 $194.99 Sale
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Davidson Defense
Davidson Defense "Athena" AR-15 Pistol Upper Receiver 7.5" 7.62x39 4150 CMV 1-10T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$249.99 $189.99 Sale
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Davidson Defense 'Vapor' 7.5
Davidson Defense 'Vapor' 7.5" AR-15 .300 Blackout Manganese Phosphate Pistol Upper Build Kit
$189.99 $144.99 Sale
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Davidson Defense
Davidson Defense "Wonder Boy" AR-15 Pistol Upper Receiver 10.5" 7.62x39 4150 CMV 1-10T Heavy Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$219.99 $164.99 Sale
Out of Stock
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Davidson Defense
Davidson Defense "Beefeater" AR-15 Pistol Upper Receiver 10.5" 9MM 4150 CMV 1-10T Barrel 12" M-Lok Handguard (Assembled or Unassembled)
$229.99 $174.99 Sale
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