1970's buck 124 what type of steel?

[BLADECARVER]

does anyone know what type of blade steel buck used on their early 124 fronteirsman knife this knife is from the early 70's

 

[Danbo]

I believe they were using 440c back then.

 

[Gossman Knives]

Danbo is right, 440C. They switched to 425 modified in 1982.
Scott

 

[BLADECARVER]

ok thank you