WHAT DOES BCM LOWER RECEIVER MEAN?

bcn complete lowerA1: Sure, the BCM PNT Set off is included as Element of the lower receiver assembly, giving a elegant nickel teflon finish for Increased effectiveness.Great lower for the money. Mine in fact arrived Using the H2 buffer. Paired it by using a BCM fourteen.five higher I discovered on sale. Ran flawlessly for the Handful of hundred ro