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.45 ACP > AR-15 Upper Build Kits

Top Sellers

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)
$229.99 $169.99
Davidson Defense 'Van Cleef' 8
Davidson Defense 'Van Cleef' 8" AR-15 .45 ACP Nitride Pistol Upper Build Kit
$249.99 $184.99
MMC 'MOAB Gen 5' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
MMC 'MOAB Gen 5' 4.5-inch 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
$219.99 $164.99

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  • Pistol Length > .45 ACP > AR-15 Upper Build Kits
  • Rifle Length > .45 ACP > AR-15 Upper Build Kits

Products [18]

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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)
$244.99 $184.99 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)
$299.99 $224.99 Sale
Out of Stock
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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)
$244.99 $184.99 Sale
Out of Stock
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Davidson Defense
Davidson Defense "Iron Angel" AR-15 Pistol Upper Receiver 8" .45 ACP QPQ Nitride 1-16T Barrel 7" M-Lok Handguard (Assembled or Unassembled)
$234.99 $174.99 Sale
In Stock
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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)
$229.99 $169.99 Sale
In Stock
Select Options
Davidson Defense 'Van Cleef' 8
Davidson Defense 'Van Cleef' 8" AR-15 .45 ACP Nitride Pistol Upper Build Kit
$249.99 $184.99 Sale
In Stock
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Davidson Defense 'Get Out' 4.5
Davidson Defense 'Get Out' 4.5" AR-15 .45 ACP Nitride Pistol Upper Build Kit
$219.99 $164.99 Sale
In Stock
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Davidson Defense 'Arm Ball' 8
Davidson Defense 'Arm Ball' 8" AR-15 .45 ACP Nitride Pistol Upper Build Kit
$249.99 $184.99 Sale
In Stock
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Davidson Defense 'Bunsen' 4.5
Davidson Defense 'Bunsen' 4.5" AR-15 .45 ACP Nitride Pistol Upper Build Kit
$219.99 $164.99 Sale
In Stock
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MMC 'Viper Strike' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
MMC 'Viper Strike' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
$219.99 $164.99 Sale
In Stock
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MMC 'MOAB Gen 5' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
MMC 'MOAB Gen 5' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
$204.99 $154.99 Sale
In Stock
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MMC 'MOAB Gen 5 w/ MVR' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
MMC 'MOAB Gen 5 w/ MVR' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
$244.99 $184.99 Sale
In Stock
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MMC 'MOAB Gen 5 w/ Shotac Cantilever' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
MMC 'MOAB Gen 5 w/ Shotac Cantilever' 4.5-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
$264.99 $199.99 Sale
In Stock
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Davidson Defense 'Summer of '45' 8-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
Davidson Defense 'Summer of '45' 8-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
$249.99 $189.99 Sale
In Stock
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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
$204.99 $154.99 Sale
In Stock
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Davidson Defense 'Tooth and Nail' 8-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
Davidson Defense 'Tooth and Nail' 8-inch AR-15 .45 ACP Nitride Pistol Upper Build Kit
$219.99 $164.99 Sale
In Stock
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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
$184.99 $139.99 Sale
In Stock
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Davidson Defense Door Kicker 16-inch AR-15 .45 ACP Rifle Upper Build Kit
Davidson Defense Door Kicker 16-inch AR-15 .45 ACP Rifle Upper Build Kit
$419.99 $319.99 Sale
In Stock
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