Redefine stability and simplicity in your AR build.
Self-Retention Thread Design – Armaspec’s innovative self-retention castle nut utilizes patented thread locking technology, the unique thread delivers improved security by locking in place without the need for staking or thread locker.
Effortless Installation – Designed for quick and easy installation, saving you time without compromising performance.
Ultra-Lightweight & Durable – Made from premium-grade 7075 aluminum for exceptional strength, durability, and reduced weight — perfect for high-performance light weight builds.
Whether you're upgrading or starting fresh, the Armaspec Self-Retention Castle Nut gives you unmatched retention, rugged construction, in a light weight package.
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