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Wraith Precision castle nuts are produced from 416R stainless steel and manufactured to Mil-Spec dimensions. The castle nuts fit all standard carbine and pistol buffer tubes and secure your carbine and pistol buffer tube to your AR10 or AR15 lower receive
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CloseWraith Precision castle nuts are produced from 416R stainless steel and manufactured to Mil-Spec dimensions. The castle nuts fit all standard carbine and pistol buffer tubes and secure your carbine and pistol buffer tube to your AR10 or AR15 lower receiver. All high-quality stainless steel Wraith Precision components are corrosion-resistant and made in the USA.
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