White Label Armory AR15 AR10 Castle Nut 5 Pack Steel

The White Label Armory AR15/AR10 Castle Nut 5 Pack delivers a reliable, steel construction solution for AR platform builds and maintenance, combining durability with precise fit and function. These castle nuts from White Label Armory are designed to pair seamlessly with both AR15 and AR10 upper receivers, providing secure, long-lasting torque retention essential for dependable operation in field, range, or tactical scenarios. A five-pack offers ready-to-go versatility for multiple builds or spar