.223/5.56/300AAC AR15 M16 M4 Bolt Assembly - C-158, MPI, Phosphate

MSRP: $65.99
Was: $65.99
Now: $59.99
(You save $6.00 )


Perfect as a replacement for worn out parts or as a spare for your range bag, this assembled .223/5.56/300AAC AR15 bolt is ready for years of reliable service.  Made from Carpenter 158 steel with a Mil-Spec phosphate finish and completely assembled with standard bolt parts: Extractor assembly, Ejector assembly, Gas Rings.  Works with any AR15 standard Carrier of any finish (Phosphate, Nitride, Nickel Boron, Chrome etc.) as well as standard carrier parts: Firing Pin, Cam Pin.


  • Calibers: 223/5.56/300AAC/.350 Legend
  • Bolt Material:  Carpenter 158 Steel
  • Heat Treated & Shot Peened
  • MPI (Magnetic Particle Inspected)
  • Bolt Finish:  Mil-Spec Phosphate
  • Comes Completely Assembled & Ready for Use
  • Manufacturer's Part#:  BDR-556PBOLT
  • All Parts 100% Made in the USA

Additional Details


Related Products

Customers Also Viewed

Subscribe to our newsletter

Get the latest updates on new products and upcoming sales

No thanks