Description

• Nickel Boron coated for ultra-smooth operation and corrosion resistance
• Carpenter 158 steel bolt for Mil-Spec strength and durability
• Shot peened & MPI tested for reliability
• Properly staked gas key with hardened fasteners
• Tool steel extractor with enhanced spring and O-ring insert
• Compatible with 5.56/.223 AR-15 platforms
• Easy to clean and maintain