Phosphate coating and chrome lining-provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The phosphate coating provides an initial layer of protection, while the chrome lining offers additional durability and resistance to the stresses of repeated firing.

Features :

• M16 Auto Profile
• 9310 Steel Bolt
• Phosphate Cam Pin
• 4130 Gas Key
• Phosphate Finish