Lantac LA00223 Evanced Bolt Carrier Group Nickel Boron Coated AR-15/M16/M4 223 Remington/5.56 NATO Chrome/Steel LANTAC E-BCG, Enhanced Bolt Carrier Group. M16 Full Auto Style for increased mass and lock time. The 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 NiB, Electroless Nickel Boron coated with the patented, advanced UCT EXO process, unlike standard NiB coatings.This offers extreme lubricity with a friction coefficient of .02 and surface hardness of 82-85 Rockwell C. The carriers pat Type: Bolt Carrier Group Model: AR-15/M16/M4 Size: 223 Remington/5.56 NATO Material: Chrome/Steel Finish: Nickel Boron
Manufacturer: Lantac Mfg Number: LA00223 Model: Evanced Bolt Carrier Group Purpose; Gun Part Series: Nickel Boron Coated