TacFire AR-15 Mil Spec Castle Nut - Steel
Mil Spec steel castle nut for AR-15 buffer tube assembly. Secures stock to receiver with reliable locking design. Essential maintenance component for .223/5.56 rifles.
Fits: AR-15
TacFire AR-15 Mil Spec Castle Nut
This steel castle nut is a critical component in any AR-15 platform rifle. It serves as the locking mechanism that secures your buffer tube to the receiver, ensuring your stock remains firmly in place during shooting.
Key Features
- Mil Spec Construction: Built to military specifications for reliable performance
- Steel Construction: Durable steel material withstands repeated assembly and disassembly
- Proper Locking Design: Castle nut profile works with standard AR-15 receiver hardware
- Universal Compatibility: Fits standard .223/5.56 AR-15 rifles and carbines
What You Need to Know
Whether you're building a new rifle, performing maintenance, or replacing a worn component, this castle nut is an essential part of your AR-15 buffer tube assembly. The locking notches engage with the receiver's castle nut slot, preventing rotation and ensuring your stock stays secure under recoil.
This is a straightforward, no-frills component that does exactly what it's supposed to do—keep your stock tight and your rifle functioning reliably.
