Guntec ar15 castle nut car/m4 milspec
Specifications:
| Dimension | 0.40 X 3.05 X 4.55 |
| Type/color | Milspec Black |
| Size/finish | Nitride Finish |
| Material | Steel |
| Ar-15 Accessory | Y |
| Made In The Usa | Made In The Usa |
