Lyman sight - Tell me what sight is what

[BACKTOSHOOTING]

I'm trying to make a deal for a mold and i need to know what sight is what.
Older ones were made of steel and the new ones are alluminum.

Please help me determin what is what.

Thanks, Steve

81985
81986

[Larry Gibson]

There should be a model # on the sight base. That will positively ID what it is for.

Larry Gibson

[gewehrfreund]

Top one looks like a 57 and should be steel. The bottom one is marked 66MC which should fit a Marlin 39A? Could be either steel or aluminum depending on when it was made.