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Machined from 4140 steel with a manganese phosphate coating, the INTRAFUSE Castle Nut is an excellent replacement part or is ideal when building new rifles.- Manufactured from 4140 Steel
- Manganese Phosphate Finish
- Free Shipping On All Orders -
Machined from 4140 steel with a manganese phosphate coating, the INTRAFUSE Castle Nut is an excellent replacement part or is ideal when building new rifles.