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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.