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.450 Bushmaster AR-15 Upper Builds

Top Sellers

Complete 16
Complete 16" .450 Bushmaster Rifle Upper Assembly
$499.99 $309.99
Davidson Defense 'Submediant' 16
Davidson Defense 'Submediant' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Complete Upper Build Kit
$704.99 $389.99

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  4. .450 Bushmaster AR-15 Upper Builds
  • AR-15 80% Upper Build Kits > .450 Bushmaster
  • AR-15 Full Build Kits (Everything Minus Lower) > .450 Bushmaster
  • AR-15 Complete Upper Build Kits > .450 Bushmaster
  • AR-15 Upper Build Kits > .450 Bushmaster

Products [11]

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MMC Arms
MMC Arms"Fiery Furnace" AR-15 Featuring Aero Precision Upper Receiver 16" .450 Bushmaster 1-24T 4150 CMV Heavy Barrel 15" KeyMod Handguard (Assembled or Unassembled)
$509.99 $309.99 Sale
Out of Stock
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MMC Arms
MMC Arms"Butch" AR-15 Featuring Aero Precision Upper Receiver 18" Ultra-Match .450 Bushmaster 1-24T 4150 CMV Heavy Barrel 16.5" M-Lok Handguard (Assembled or Unassembled)
$504.99 $259.99 Sale
Out of Stock
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Davidson Defense
Davidson Defense "Buzz!" AR-15 Upper Receiver 18" .450 Bushmaster 4150 CMV 1-24T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$439.99 $269.99 Sale
Out of Stock
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Davidson Defense
Davidson Defense "Andesite" AR-15 Upper Receiver 16" .450 Bushmaster 4150 CMV 1-16T Heavy Barrel 13" M-Lok Handguard (Assembled or Unassembled)
$514.99 $259.99 Sale
Out of Stock
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Complete 16
Complete 16" .450 Bushmaster Rifle Upper Assembly
$499.99 $309.99 Sale
In Stock
Add To Cart
Davidson Defense 'Unity' 16
Davidson Defense 'Unity' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Full Build Kit
$684.99 $399.99 Sale
In Stock
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Davidson Defense 'Unity' 16
Davidson Defense 'Unity' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Complete Upper Build Kit
$629.99 $344.99 Sale
In Stock
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Davidson Defense 'Unity' 16
Davidson Defense 'Unity' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Upper Build Kit
$529.99 $244.99 Sale
In Stock
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Davidson Defense 'Submediant' 16
Davidson Defense 'Submediant' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Full Build Kit
$764.99 $449.99 Sale
In Stock
Select Options
Davidson Defense 'Submediant' 16
Davidson Defense 'Submediant' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Complete Upper Build Kit
$704.99 $389.99 Sale
In Stock
Select Options
Davidson Defense 'Submediant' 16
Davidson Defense 'Submediant' 16" AR-15 .450 Bushmaster Manganese Phosphate Rifle Upper Build Kit
$554.99 $239.99 Sale
In Stock
Select Options
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