Thread: Nitriding Rifles

Originally Posted by gundoc

It requires the use of special steels and has to be done during the manufacturing process. Can't be done afterwards.

Many common tools steels like 4140 and P20 can be nitrided and it is done after the final machining, fitting and polishing process.

The biggest benefit is the lack of distortion which generally requires no more than a light polish afterwards. Surface hardness is around 60HRC from memory but is only a few thou deep. Not easily reworked.

I could see it being excellent for actions as you would really limit any wear between the parts especially around the bolt lugs.

Colour can be a bit hit & miss, its not expensive and done in Auckland by heat treatments.