The NcSTAR AR15 Buffer Tube/Castle Nut Tool is a dedicated armorer’s wrench designed for installing and removing buffer tubes and castle nuts on AR-15 pattern rifles.
- Tool Type: AR-15 Buffer Tube & Castle Nut Wrench
- Material: Hardened Steel
- Finish: Black Oxide
- Compatibility: AR-15/M4 Pattern Rifles
- Function: Buffer Tube Installation/Removal, Castle Nut Tightening
![Hornady Precision Hunter .270 WIN, 145gr, ELD-X - 20 Rounds [MPN: 80536]](https://www.tacticalwatchstore.com/wp-content/uploads/2026/10/hornady-precision-hunter-270-win-145gr-eld-x-20-rounds-mpn-80536.webp)
