Description Learn More



These BCG's are fully assembled and ready to drop in any AR15 or M16 rifle or pistol. These are the heavier M16 carrier with a Nickel Boron coating and will work with any AR15 platform rifle designed to use a standard BCG. Calibers this BCG will work with include 5.56, 223, 204, and 300BLK.





Bolt Carriers are made from 8620 Aircraft Quality Steel

Gas Keys are made from 4130 Steel

Bolts are made from 9310 Steel

MPI Tested

Includes Crane type o-ring

All Toolcraft products carry a lifetime, no questions asked, warranty.

100% Manufactured in the USA

These BCG's are fully assembled and ready to drop in any AR15 or M16 rifle or pistol. These are the heavier M16 carrier with a Nickel Boron coating and will work with any AR15 platform rifle designed to use a standard BCG. Calibers this BCG will work with include 5.56, 223, 204, and 300BLK. ⚠ WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov.

