BCI Defense is a manufacturer of lower, upper receivers and other components for the 5.56/223 platform. BCI Defense also assembles and produces its own 5.56/223 known as the SQS15. The company was established in 2013 by James E. Brown, CEO (3rd generation) and JB Brown, President (4th generation) of Bremen Castings, Inc. The Brown family has always had a passion for firearms, the 2nd Amendment, and manufacturing. Coupled with a comprehensive team of engineers, CNC machinists, and the desire to be the leader in manufacturing, BCI Defense is proud to offer multiple products manufactured in the USA that are second-to-none in the firearms industry. For more information on products and services, please visit BCIDefense.com.