5.56 COMPLETE BOLT CARRIER GROUP, NITRIDE

• M16 Carrier Machined from 8620
• 5.56 Bolt Machined from 9310
• Forged Gas Key Properly Staked
• Tool Steel Extractor
• Mil-Spec Extractor Spring with black insert and Viton O-Ring
• Grade 8 hardware
• Shot Peened Bolt
• HPT/MPI
• Carrier, Gas Key, Cam Pin, Bolt, & Extractor coated inside and out with Black Nitride QPQ
• Test Fired complete before shipping to ensure proper function