LANTAC E-BCG Enhanced LR-308 Bolt Carrier Group 308 Winchester Nitride Black

The Lantac E-BCG is precision machined from 8620 Steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected. The entire carrier assembly is QPQ (Quench Polish Quench) Nitride coated Black,this is a specialized type of Nitrocarbrising Case Hardening that creates a vary hard, smooth surface with increased corrosion resistance and low coefficient of friction. The carriers patented and patent pending design features unique shrouded and forward facing gas ports