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.300 Blackout > AR-15 Complete Upper Build Kits

Top Sellers

Davidson Defense 'Hot Scream' 10.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
Davidson Defense 'Hot Scream' 10.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
$444.99 $289.99
Davidson Defense 'Shadow Stalker' 8.5
Davidson Defense 'Shadow Stalker' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$449.99 $294.99
Davidson Defense 'Enforcer' 8.5
Davidson Defense 'Enforcer' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$429.99 $279.99
Davidson Defense 'Flame Aeterna' 8.5
Davidson Defense 'Flame Aeterna' 8.5"-inch AR-15 .300BLK Parkerized Pistol Complete Upper Build
$379.99 $249.99
Davidson Defense 'M.A.V. 7 in .300 Blackout' 8.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
Davidson Defense 'M.A.V. 7 in .300 Blackout' 8.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
$364.99 $249.99

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  5. .300 Blackout > AR-15 Complete Upper Build Kits
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  • Pistol Length > .300 Blackout > AR-15 Complete Upper Build Kits
  • Rifle Length > .300 Blackout > AR-15 Complete Upper Build Kits

Products [46]

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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)
$459.99 $299.99 Sale
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Davidson Defense 'Last Straw' 8.5
Davidson Defense 'Last Straw' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build Kit
$429.99 $279.99 Sale
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Davidson Defense 'Innes' 8.5
Davidson Defense 'Innes' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$419.99 $274.99 Sale
In Stock
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MMC 'Lightshow II - Red .300 Blackout' 16-inch AR-15 .300BLK Nitride Rifle Complete Upper Build Kit
MMC 'Lightshow II - Red .300 Blackout' 16-inch AR-15 .300BLK Nitride Rifle Complete Upper Build Kit
$474.99 $309.99 Sale
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MMC 'Lightshow II - Grey .300 Blackout' 16-inch AR-15 .300BLK Nitride Rifle Complete Upper Build Kit
MMC 'Lightshow II - Grey .300 Blackout' 16-inch AR-15 .300BLK Nitride Rifle Complete Upper Build Kit
$474.99 $309.99 Sale
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MMC 'Lightshow II - Purple .300 Blackout' 16-inch AR-15 .300BLK Nitride Rifle Complete Upper Build Kit
MMC 'Lightshow II - Purple .300 Blackout' 16-inch AR-15 .300BLK Nitride Rifle Complete Upper Build Kit
$464.99 $304.99 Sale
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MMC 'Lightshow II - Gold .300 Blackout' 16-inch AR-15 .300BLK Nitride Rifle Complete Upper Build Kit
MMC 'Lightshow II - Gold .300 Blackout' 16-inch AR-15 .300BLK Nitride Rifle Complete Upper Build Kit
$474.99 $309.99 Sale
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MMC 'Lightshow II - Black .300 Blackout' 16-inch AR-15 .300BLK Nitride Rifle Complete Upper Build Kit
MMC 'Lightshow II - Black .300 Blackout' 16-inch AR-15 .300BLK Nitride Rifle Complete Upper Build Kit
$474.99 $309.99 Sale
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MMC 'Buck Wild .300 Blackout' 7.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build Kit
MMC 'Buck Wild .300 Blackout' 7.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build Kit
$404.99 $264.99 Sale
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MMC 'Concussive Whisper .300 Blackout' 7.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build Kit
MMC 'Concussive Whisper .300 Blackout' 7.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build Kit
$419.99 $274.99 Sale
In Stock
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Davidson Defense 'Enforcer' 8.5
Davidson Defense 'Enforcer' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$429.99 $279.99 Sale
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Davidson Defense 'Raptor Reaper' 8.5
Davidson Defense 'Raptor Reaper' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$444.99 $289.99 Sale
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Davidson Defense 'Shadow Stalker' 8.5
Davidson Defense 'Shadow Stalker' 8.5" AR-15 .300BLK Nitride Pistol Complete Upper Build
$449.99 $294.99 Sale
In Stock
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Davidson Defense 'Hot Scream' 10.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
Davidson Defense 'Hot Scream' 10.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
$444.99 $289.99 Sale
In Stock
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Davidson Defense 'Star Beam' 10.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
Davidson Defense 'Star Beam' 10.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
$444.99 $289.99 Sale
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'Golden Eagle V3' 16-inch AR-15 .300BLK Phosphate Rifle Complete Upper Build
'Golden Eagle V3' 16-inch AR-15 .300BLK Phosphate Rifle Complete Upper Build
$444.99 $289.99 Sale
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Davidson Defense 'Ionic Charge' 16-inch AR-15 .300BLK Phosphate Rifle Complete Upper Build
Davidson Defense 'Ionic Charge' 16-inch AR-15 .300BLK Phosphate Rifle Complete Upper Build
$474.99 $309.99 Sale
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Davidson Defense 'Debtor' 16-inch AR-15 .300BLK Phosphate Rifle Complete Upper Build
Davidson Defense 'Debtor' 16-inch AR-15 .300BLK Phosphate Rifle Complete Upper Build
$459.99 $299.99 Sale
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Davidson Defense 'Streamline in .300 Blackout' 16-inch AR-15 .300BLK Phosphate Rifle Complete Upper Build
Davidson Defense 'Streamline in .300 Blackout' 16-inch AR-15 .300BLK Phosphate Rifle Complete Upper Build
$459.99 $299.99 Sale
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Davidson Defense 'Vali in 300 Blackout' 7.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
Davidson Defense 'Vali in 300 Blackout' 7.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
$419.99 $274.99 Sale
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Davidson Defense 'Valor 300 Blackout' 7.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
Davidson Defense 'Valor 300 Blackout' 7.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
$404.99 $264.99 Sale
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Davidson Defense 'Back in Black-Out' 7.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
Davidson Defense 'Back in Black-Out' 7.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
$414.99 $269.99 Sale
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Davidson Defense 'Treader' 8.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
Davidson Defense 'Treader' 8.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
$379.99 $259.99 Sale
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Davidson Defense 'Spartan Mod 1' 8.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
Davidson Defense 'Spartan Mod 1' 8.5-inch AR-15 .300BLK Nitride Pistol Complete Upper Build
$374.99 $254.99 Sale
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