• Castle-nut surface for the receiver-extension lock
  • Stock / buffer-tube wrench surface for carbine stock hardware
  • Steel construction — durable for repeated armorer use
  • Sized to standard mil-spec AR-15 carbine hardware

Full details and secure checkout: https://3crtactical.com/ar-15-stock-combo-castle-nut-wrench-tool-70716/?utm_source=armslist&utm_medium=referral&utm_campaign=listing