• 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