The BHA Precision Titanium Nitride Gold Bolt Carrier Group is meticulously engineered for shooters who demand excellence from their firearms. The Titanium Nitride (TiN) gold coating on the carrier and gas key provides a very slick surface that enhances reliability, reduces friction, and makes cleaning easier. Known for its exceptional hardness and wear resistance, the TiN coating ensures your BCG withstands the rigors of heavy use while adding a striking aesthetic to your rifle. Key Features: – M16 Style Carrier – Machined from 8620 Steel – Heat Treated for enhanced strength