Gunpartscorp.com
Believe that is a Marlin 101. Contact Numrich at their website- gunpartscorp. They list that firing pin for $5 plus shipping,
Try e-gunparts.com and Marlin
Find a good gunsmith or machinist
http://www.wisnersinc.com/ They will have what you need!
Yes the firing pin should float freely on top of the breech bolt. If you take the gun down (seperate the receiver) the firing pin will be visible, and should slide freely backa and forth.
Use a Marlin 57 firing pin. It's the same rifle, just re-branded for Sears.
Try e-gunparts.com, local gun store, gun shows.
You can find a firing pin for the ranger at Numerick Gun Parts Corporation.
Yes, at least my '71' model does.
Try e-gunparts.com
Your rifle is a Marlin 25M. You can check with Marlin Customer Service, expect price to be AROUND $25 plus shipping.
The Marlin Model 92 lever action was convertable from .32 rimfire to .32 S&W or .32 S&W Long by changing the firing pin. Originally made as Model 1892. Made from 1892-1916, and depending on condition, a rather valuable rifle.