About the BCM® MK2 SS410 16″ Mid Length Complete Upper Receiver w/ QRF-12 Handguard 1/8 Twist
Manufactured by Bravo Company MFG, Inc. (BCM)
These Barreled Upper Receiver Groups are designed for shooting professionals and responsible civilians with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced, and test fired.
