WMD Guns

Overview

The WMD Guns Nitromet Castle Nut is a robust steel component designed to secure the buffer tube in your AR-15 build. Its nitride finish enhances durability and corrosion resistance, ensuring it can withstand the rigors of regular use while maintaining a secure fit. This castle nut is most commonly found in builds featuring a carbine gas system chambered in 5.56 NATO, making it a reliable choice for standard configurations.