Free Ground Shipping on Orders over $50, 3-5 days for most orders. Lots of stock, fast turnaround!
  • AR-15/ M16 Receiver Extension Castle Nut, Mil Spec

    $4.99

    AR-15/ M16 Receiver Extension Castle Nut, Mil Spec.     SKU  ABNT02

    • Precision machined from Chrome Steel.