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.300 Blackout > AR-15 Complete Upper Build Kits

Top Sellers

Davidson Defense 'Ember' 8.5
Davidson Defense 'Ember' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$594.99 $279.99

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  4. Shop by Caliber > AR-15 & LR-308/AR-10 Complete Upper Build Kits
  5. .300 Blackout > AR-15 Complete Upper Build Kits
  • Pistol Length > .300 Blackout > AR-15 Complete Upper Build Kits
  • Rifle Length > .300 Blackout > AR-15 Complete Upper Build Kits

Products [9]

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MMC
MMC "Gateway" 9" AR-15 .300 Blackout Pistol Complete Upper W/: Ballistic Advantage and Phase5
$674.99 $389.99 Sale
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Davidson Defense
Davidson Defense "Golden Eagle" AR-15 Upper Receiver 16" .300 Blackout 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$569.99 $284.99 Sale
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Davidson Defense 'MX' 10.5
Davidson Defense 'MX' 10.5" AR-15 .300 Blackout Nitride Pistol Complete Upper Build Kit
$689.99 $374.99 Sale
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Davidson Defense 'LX' 8.2
Davidson Defense 'LX' 8.2" AR-15 .300 Blackout Nitride Pistol Complete Upper Build Kit
$759.99 $449.99 Sale
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MMC Top Shelf 'Noctuidae' 7.5
MMC Top Shelf 'Noctuidae' 7.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$644.99 $359.99 Sale
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MMC Arms 'Courtier' 7.5
MMC Arms 'Courtier' 7.5" AR-15 .300BLK Nitride Pistol Complete Upper Build Kit
$699.99 $384.99 Sale
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Davidson Defense 'Wayman' 8.5
Davidson Defense 'Wayman' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$594.99 $279.99 Sale
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Davidson Defense 'Ember' 8.5
Davidson Defense 'Ember' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$594.99 $279.99 Sale
In Stock
Select Options
Davidson Defense 'Jarom' 8.5
Davidson Defense 'Jarom' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$599.99 $274.99 Sale
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