AR-10/.308 upper build assemblies for shooters stepping up from 5.56 to a full-power rifle caliber. Right now our lineup is entirely .308 Winchester chambered — 16″ to 20″ barrel lengths, free-float M-LOK handguards from 12″ to 15″, and a mix of black, FDE, OD Green, tungsten grey, and burnt bronze Cerakote finishes, all shipping complete with BCG and charging handle.

AR-10 Upper Build Assemblies

Out of stock

20″ 308 Complete Upper Black 15″ Free Float Keymod with Bolt Carrier Group and Charging Handle

5.00 out of 5

Original price was: $549.95.Current price is: $495.95.

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308 16″ Complete Upper with 12″ Keymod Rail with Bolt Carrier Group and Charging Handle

5.00 out of 5

Original price was: $489.95.Current price is: $448.95.

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Out of stock

20″ 308 Upper 15″ Free Float Keymod with Bolt Carrier Group and Charging Handle Flat Dark Earth FDE

5.00 out of 5

Original price was: $569.95.Current price is: $528.95.

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Out of stock

18″ 308 Complete Upper 15″ Free Float Keymod with Bolt Carrier Group and Charging Handle

5.00 out of 5

Original price was: $499.95.Current price is: $470.95.

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Out of stock

20″ 308 Upper 15″ Free Float Keymod with Bolt Carrier Group and Charging Handle Olive Drab OD Green

5.00 out of 5

Original price was: $569.95.Current price is: $528.95.

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Out of stock

308 Tungsten Grey Upper 15″ Free Float Keymod with Bolt Carrier Group and Charging Handle

5.00 out of 5

Original price was: $569.95.Current price is: $532.95.

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Out of stock

308 Burnt Bronze Upper 15″ Free Float Keymod with Bolt Carrier Group and Charging Handle

5.00 out of 5

Original price was: $569.95.Current price is: $532.95.

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Out of stock

.308 Complete Upper with 12″ Free Float Hand Guard with Bolt Carrier Group and Charging Handle

5.00 out of 5

Original price was: $749.95.Current price is: $560.95.

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18″ Black Anodized 308 Upper 15″ Window M-LOK Rail

0 out of 5

$499.95

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16″ Black Anodized 308 Upper 12″ Riveted Keymod Rail

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$499.95

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16″ Black Anodized 308 Upper 12″ Window M-LOK Rail

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$499.95

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20″ Black Anodized 308 Upper 15″ Window M-LOK Rail

0 out of 5

$499.95

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18″ Black Anodized 308 Upper 15″ Riveted Keymod Rail

0 out of 5

$499.95

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20″ Black Anodized 308 Upper 15″ Riveted Keymod Rail

0 out of 5

$499.95

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16″ Titanium Blue 308 Upper 12″ Window M-LOK Rail

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$529.95

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18″ Titanium Blue 308 Upper 15″ House M-LOK Rail

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$529.95

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20″ Titanium Blue 308 Upper 15″ House M-LOK Rail

0 out of 5

$529.95

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16″ Titanium Blue 308 Upper 12″ Riveted Keymod Rail

0 out of 5

$529.95

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18″ Titanium Blue 308 Upper 15″ Window M-LOK Rail

0 out of 5

$529.95

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20″ Titanium Blue 308 Upper 15″ Riveted Keymod Rail

0 out of 5

$529.95

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18″ Titanium Blue 308 Upper 15″ Riveted Keymod Rail

0 out of 5

$529.95

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16″ Titanium Blue 308 Upper 12″ House M-LOK Rail

0 out of 5

$529.95

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20″ Titanium Blue 308 Upper 15″ Window M-LOK Rail

0 out of 5

$529.95

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18″ Tungsten Grey 308 Upper 15″ Riveted Keymod Rail

0 out of 5

$529.95

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