.223/5.56 Bolt Carrier Group -Chrome Lined Phosphate:
This Bolt Carrier Group has been machined to Mil-Spec standards and tested to ensure the assembly is free of any imperfections.
Your #1 choice for reliability, durability, and superiority!
- Carpenter 158 Steel Bolt
- Dry Film Cam Pin
- Machined to Mil-Spec Standards
- Made in the USA and Drop-In Ready