Fail Zero Assembled Bolt Carrier Group AR-15 5.56/.223/300 Blackout

This fully assembled BCG is compatible with 5.56, .223, and 300 Blackout calibers, and is engineered to fit most mil-spec AR-15 upper receivers. The permanent dry lubricity provided by the Nickel Boron treatment reduces friction, supporting smoother cycling and consistent performance.

Features

• EXO Nickel Boron coating on all critical parts for increased corrosion and wear resistance
• Permanent dry lubricity for reduced friction and improved cycling
• Fully assembled and ready to install in most mil-spec AR-15 upper receivers
• Compatible with 5.56, .223, and 300 Blackout calibers

Specifications

• Brand: Uct Coatings Inc. Fail Zero
• Model: FZ-AR15-01-NH
• UPC: 881314861835
• Color: Silver
• Condition: New
• Nickel Boron treated parts: Bolt, Extractor, Bolt Carrier, Cam Pin, Carrier Key, Firing Pin