The T-Arms AR-15 Castle Nut is built for secure and reliable buffer tube attachment, ensuring your stock assembly stays locked in place under heavy recoil and demanding conditions. Precision-machined from high-strength steel, it provides maximum durability and a perfect fit for any mil-spec or commercial AR-15 buffer tube.

🔹 Heavy-Duty Steel – Built for strength & longevity
🔹 Secure Lockup – Keeps your buffer tube firmly in place
🔹 Mil-Spec Compatible – Works with AR-15 buffer tube assemblies
🔹 Corrosion-Resistant Finish – Protects against wear & tear

MADE IN HOUSE!