AR-15 Mil Spec Castle Nut
$3.49
$5.99
AR-15 White Mil Spec Castle Nut
$12.99
AR-15 White Mil Spec Castle Nut
Give your rifle a clean, customized touch with the AR-15 White Mil-Spec Castle Nut. Built for performance and durability, this castle nut is precision-machined from rugged tool steel and finished in a bold Cerakote white coating for enhanced corrosion resistance and standout aesthetics. Whether you're building a new lower or upgrading your setup, this component is a dependable choice for securing your buffer tube with confidence.
? Key Features:
? Constructed from 4140 Tool Steel
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Heat-treated for superior strength and longevity
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Withstands high torque and repeated use under stress
? Mil-Spec Compatible
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Fits all standard AR-15 carbine buffer tubes
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Works with both Mil-Spec and commercial receiver extensions
? Cerakote White Finish
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Durable ceramic-based coating resists wear, chemicals, and corrosion
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Adds a clean, custom look to any AR build
? Secure Buffer Tube Installation
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Designed to lock down your buffer tube and endplate with precision
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Essential for maintaining receiver extension stability during firing
? Drop-In Ready
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Easy to install with standard armorer’s tools
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Ideal for DIY builders or professional gunsmiths
This White Mil-Spec Castle Nut is the perfect blend of function and style—offering the reliability you expect from hardened steel with a bright, attention-grabbing finish. Pair it with matching Cerakote parts for a complete custom build!
Order now and upgrade your AR-15 with premium hardware backed by performance and style.
