BOLT AND CARRIER GROUP FOR LEFT SIDE EJECTING UPPER RECEIVERS.
IDEAL FOR LEFT HANDED/LEFT EYE DOMINANT SHOOTERS.
ITEM# BRO-BCG-LH
CALIBER: 223/5.56
NICKEL BORON
**WILL NOT FUNCTION IN STANDARD (RIGHT EJECTING) UPPER RECEIVER.
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemical(s) known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov/product