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AR-15 Uppers and Lowers

BCI Defense AR-15 Upper Receiver

As the "True Manufacturer" of the AR-15 Platform, BCI Defense offers a number of different options for your next build or firearm.  Whether building from the ground up with our Stripped Upper Receiver, or adding a 300BLK or 6.5 Grendel Complete Upper to your existing Lower Receiver, we are able to off a number of different options that can fulfill your needs without busting your budget.



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300BLK Professional Series Complete Upper, 12 Inch Handguard

Featuring BCI Defense manufactured Upper Receiver, Free Float Rail (M-LOK Accessory Compatible), and..

$639.00 $445.00

300BLK Professional Series Complete Upper, 15 Inch Handguard

Featuring BCI Defense manufactured Upper Receiver, Free Float Rail (M-LOK Accessory Compatible), and..

$639.95 $449.00

300BLK Professional Series Complete Upper, 9 Inch Handguard

Featuring BCI Defense manufactured Upper Receiver, Free Float Rail (M-LOK Accessory Compatible), and..

$629.00 $339.00