AR AR15 AR10 Commercial / Mil-Spec Steel Buffer Tube Castle Nut
Complete your AR Rifle (AR15 and AR10 compatible) with this Steel Buffer Tube Castle Nut. Also known as the Receiver Extension Nut, it fits both commercial and mil spec buffer tube stocks. 4140 Tool Steel construction with a matte black finish.
- Compatible with AR15 & AR10 platforms and compatibles
- Fits both commercial and mil spec buffer tubes
- 4140 Tool Steel construction
- Matte black finish