Going lightweight not only means that your rifle is easier to carry, it can actually improve performance. Reducing the weight on FailZero’s Lightweight Bolt Carrier Group means less recoil – and you are back on target quicker. Designed for competition shooters and anyone interested in increasing tactical performance.
Features: 21% weight reduction from standard Mil-Spec carrier FZ logo engraved into the carrier New high polish finish on all components All components are EXO Nickel Boron coated which adds to the smooth operation, extended wear and easier cleaning Lighter weight means faster follow up shots and better control of groupings Carrier weighs only 6.4 oz and complete BCG is only 9.2 oz  Compatible in all Mil-spec AR Platforms Compatible with 5.56, .223, and 300 Blackout Ready to install into most mil spec M16, M4 or AR15 upper receivers.   All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance.  Our patented Nickel Boron coating will reduce friction and improve the overall performance of your rifle.
Nickel Boron treated parts include:

Bolt & Extractor (5.56/.223 compatible)
Lightweight Bolt Carrier
Cam Pin
Carrier Key
Firing Pin

Manufacturer Part Number: LW-BCG-01-NH