Daniel Defense Bolt Carrier Group FA AR15 M4 MK18 5.56 DD BCG


There is only 1 item left in stock.
New in box Daniel Defense Bolt Carrier Group 5.56 FA.  Comes complete in box and ships direct where legal.


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



  • Machined from 8620 steel
  • Heavy Phosphate Coated
  • Chrome lined
  • Properly staked gas keys
  • Made in the USA
    • Machined from Carpenter 158 Steel
    • High Pressure Tested
    • Magnetic Particle Inspected
    • Shot Peened
    • Heavy Phosphate Coated
    • Extractor Booster
    • Made in the USA

Follow X-Werks on instagram for updates and specials!  Xwerksaz

Please allow 1-3 business days for items to ship once payment and FFL are received.

FFL's can be emailed, or mailed to us. Please reference your name and the item number to prevent any delays in shipping.

Long guns and accessories ship UPS Ground. Handguns are shipped USPS priority mail.

Once payment and FFL are received we will email you a tracking/delivery confirmation number.