Developed with attention to component fit and workflow efficiency, the Lantac USA LLC Lantac M-SPEC BCG .223/5.56mm NiB supports smooth handling and consistent mechanical behavior. Precision machined to milspec dimensions, it features a full auto style carrier made from 8620 steel, case hardened, and nickel boron coated for enhanced corrosion resistance and durability. Ideal for range training and recreational shooting, this bolt carrier group is a reliable choice for budget builds. Lantac USA LLC is known for its commitment to quality and innovation in firearm components.