LANTAC E-BCG FULL AUTO STYLE .223/5.56 TIN E-BCG® Full Auto Style (.223/5.56) TiN SKU: 01-UP-556-TIN-EBCG LANTAC E-BCG®, Enhanced Bolt Carrier Group with TiN coating.M16 Full Auto Style for increased mass and lock time. Our new TiN E-BCG is precision machined from 8620 Steel with... MSRP: Was: Now: $389.99 Add to Cart