This is a factory Springfield Armory castle nut for M14-pattern rifles, including the M1A. It is part of the front gas system assembly. Replace a damaged nut with this genuine Springfield part. Compare it with your existing part or the manufacturer's parts diagram to confirm it matches your firearm before ordering.
- Part: Castle nut
- Fits: M14 pattern / Springfield Armory M1A
- Brand: Springfield Armory
- UPC: 706397857776
