Tactical Tailor

Grey Ghost Precision – Cornerstone Lower Receiver


Grey Ghost Precision has made available The Cornerstone, a certified, GGP-branded lower receiver machined to tighter than MilSpec standards from forged 7075-T6 aluminum by Mega Arms.


Here’s some of the details:

  • Black Hard anodized with a surface hardness of 60 Rockwell
  • Nylon tipped tensioning screw to ensure the solid fit between upper and lower
  • Functions with nearly all available AR parts kits and uppers.
  • Flared mag well
  • Pictogram safe and fire indicators
  • Distinctive Grey Ghost markings and chevrons
  • www.greyghostgear.com/product-p/ggpc


    One Response to “Grey Ghost Precision – Cornerstone Lower Receiver”

    1. Greg says:

      that faux book cover is wonderful