Daniel Defense AR-15 NATO Bolt Assembly for 5.56mm builds is MPI tested and finished with a heavy phosphate coating for durable, reliable operation in an AR-15 platform.

Key features

• MPI tested bolt assembly for consistent, high-integrity performance
• Heavy phosphate coating helps improve wear resistance and corrosion protection
• Designed for 5.56mm AR-15 NATO pattern configurations

Upgrade or replace your AR-15 bolt assembly with a Daniel Defense MPI-tested component finished for dependable service.