• Billet aluminum construction, black anodized finish
  • Crown (notched) castle-nut design
  • Standard armorer's-wrench notches — fits industry-standard wrenches
  • Staking notches on the flat face to lock the nut against the end plate
  • Lighter than a comparable steel castle nut

Full details and secure checkout: https://3crtactical.com/black-aluminum-crown-castle-nut-67148/?utm_source=armslist&utm_medium=referral&utm_campaign=listing