The Failzero M16/M4 Bolt Carrier Group comes fully assembled and ready to drop into most mil spec M16, M4, or AR15 upper receivers.
It has a black finish, and all critical parts are coated with EXO Nickel Boron technology. The coating provides permanent dry lubricity and extreme durability, and increases wear and corrosion resistance.
California Prop 65: This product can expose you to chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
This product is sold brand new. A manufacturer warranty applies only when the manufacturer provides one for this item.
Return requests must be submitted within 14 days of delivery and approved by our RMA department before the item is shipped back. Non-defective returns may be subject to a minimum 25% restocking fee and return shipping charges. Unauthorized returns are not eligible for credit or refund. Read the full return policy.
California Prop 65: This product can expose you to chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
This product is sold brand new. A manufacturer warranty applies only when the manufacturer provides one for this item.
Return requests must be submitted within 14 days of delivery and approved by our RMA department before the item is shipped back. Non-defective returns may be subject to a minimum 25% restocking fee and return shipping charges. Unauthorized returns are not eligible for credit or refund. Read the full return policy.