Daniel Defense 5.56 NATO (5.56x45mm & .223 Remington) / 300 Blackout (7.6x35mm) full-auto compatible, M16 Profile, complete bolt carrier group assembly.

Carrier:

• Machined from 8620 Steel
• Heavy Phosphate Coated
• Chrome lined
• Properly staked gas keys
• Made in the USA

Bolt:

• Machined from Carpenter 158 Steel
• High Pressure Tested
• Magnetic Particle Inspected
• Shot Peened
• Heavy Phosphate Coated
• Extractor Booster
• Made in the USA