.300 Blackout AR-15 Upper Builds

DTT 'Drudgen' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Full Build Kit

DTT 'Drudgen' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Full Build Kit

~~MSRP: $474.99~~ $324.99 Sale

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DTT 'Iron Lord' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Full Build Kit

DTT 'Iron Lord' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Full Build Kit

~~MSRP: $484.99~~ $324.99 Sale

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DTT 'Iron Lord' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Complete Upper Build Kit

DTT 'Iron Lord' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Complete Upper Build Kit

~~MSRP: $384.99~~ $264.99 Sale

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DTT 'Drudgen' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Complete Upper Build Kit

DTT 'Drudgen' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Complete Upper Build Kit

~~MSRP: $384.99~~ $259.99 Sale

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DTT 'Drudgen' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Upper Build Kit

DTT 'Drudgen' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Upper Build Kit

~~MSRP: $294.99~~ $189.99 Sale

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DTT 'Iron Lord' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Upper Build Kit

DTT 'Iron Lord' 16-inch AR-15 .300BLK Manganese Phosphate Rifle Upper Build Kit

~~MSRP: $294.99~~ $199.99 Sale

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Davidson Defense 'Enforcer' 8.5

Davidson Defense 'Enforcer' 8.5" AR-15 .300BLK Nitride KAK Pistol Full Build Kit

~~MSRP: $424.99~~ $324.99 Sale

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Davidson Defense 'Mercs' 16

Davidson Defense 'Mercs' 16" AR-15 .300 Blackout Manganese Phosphate Upper Build Kit

~~MSRP: $539.99~~ $224.99 Sale

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Davidson Defense 'Power Drive' 16

Davidson Defense 'Power Drive' 16" AR-15 .300 Blackout Manganese Phosphate Upper Build Kit

~~MSRP: $539.99~~ $224.99 Sale

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Davidson Defense 'Nexuiz' 16

Davidson Defense 'Nexuiz' 16" AR-15 .300 Blackout Manganese Phosphate Upper Build Kit

~~MSRP: $529.99~~ $214.99 Sale

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Davidson Defense 'Granite' 16

Davidson Defense 'Granite' 16" AR-15 .300 Blackout Manganese Phosphate Upper Build Kit

~~MSRP: $519.99~~ $204.99 Sale

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DTT Customs Elite Series

DTT Customs Elite Series "Kholat" AR-15 Featuring Davidson Defense Upper Receiver 16" XX-Treme .300 Blackout 4150 CMV 1-8T Heavy Barrel 15" Unique AR Handguard (Assembled or Unassembled)

~~MSRP: $634.99~~ $394.99 Sale

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Davidson Defense 'Mayflower' 16

Davidson Defense 'Mayflower' 16" AR-15 .300 Blackout Manganese Phosphate Upper Build Kit

~~MSRP: $524.99~~ $209.99 Sale

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Davidson Defense 'Nerine' 16

Davidson Defense 'Nerine' 16" AR-15 .300 Blackout Manganese Phosphate Upper Build Kit

~~MSRP: $524.99~~ $209.99 Sale

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Davidson Defense

Davidson Defense "Nolana" AR-15 Upper Receiver 16" .300 Blackout 4150 CMV 1-8T Barrel 12" M-Lok Handguard (Assembled or Unassembled)

~~MSRP: $544.99~~ $279.99 Sale

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Davidson Defense

Davidson Defense "Avocet" AR-15 Pistol Upper Receiver 10.5" .300 Blackout 4150 CMV QPQ Nitride 1-8T Barrel 9.25" M-Lok Handguard (Assembled or Unassembled)

~~MSRP: $599.99~~ $234.99 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)

~~MSRP: $424.99~~ $324.99 Sale

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Davidson Defense 'Granite' 16

Davidson Defense 'Granite' 16" AR-15 .300BLK Manganese Phosphate Rifle Full Build Kit

~~MSRP: $564.99~~ $299.99 Sale

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Davidson Defense 'Nerine' 16

Davidson Defense 'Nerine' 16" AR-15 .300BLK Manganese Phosphate Rifle Full Build Kit

~~MSRP: $569.99~~ $304.99 Sale

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Davidson Defense 'Mayflower' 16

Davidson Defense 'Mayflower' 16" AR-15 .300BLK Manganese Phosphate Rifle Full Build Kit

~~MSRP: $579.99~~ $314.99 Sale

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Davidson Defense 'Mercs' 16

Davidson Defense 'Mercs' 16" AR-15 .300BLK Manganese Phosphate Rifle Full Build Kit

~~MSRP: $449.99~~ $344.99 Sale

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Davidson Defense 'Nexuiz' 16

Davidson Defense 'Nexuiz' 16" AR-15 .300BLK Manganese Phosphate Rifle Full Build Kit

~~MSRP: $444.99~~ $339.99 Sale

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Davidson Defense 'Power Drive' 16

Davidson Defense 'Power Drive' 16" AR-15 .300BLK Manganese Phosphate Rifle Full Build Kit

~~MSRP: $594.99~~ $329.99 Sale

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Are you looking for a versatile load that's entirely compatible with a standard AR-15 build? Then check out our comprehensive selection of .300 Blackout upper AR-15 build kits and elevate your standard rifle today. Compatible with almost every 5.56/223 AR-15 part, .300 Blackout uppers are becoming a popular choice among AR-15 enthusiasts. To convert your standard AR into a .300 Blackout rifle, it's as simple as swapping out the upper receiver. This upper is not only adaptable, but it's also powerful without a ton of space; they can reach peak ballistic potential from just a 9-inch barrel! If you're interested in our USA-made aluminum and steel build kits, but you're not ready to build it yourself, then don't worry - the professionals at Delta Team Tactical can assemble any kit for you at your request!

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