Marlin 100 firing pin?

[EMNofSeattle]

I have a marlin model 100 rifle from the early 1960s. my great uncle bought it his junior year in high school so it's a family gun and trashing it is not an option (i know it's a cheap rifle)

here's the issue, when I load a .22 in the breech and close the bolt, I pull back the hammer plunger on the back of the bolt to cock it, I pull the trigger and it doesn't go boom. it sounds like the hammer is striking light and there's no indentation of the rim of the cartridge. I think the firing pin is broken, is this a common issue with 100s? is anyone familiar with them?

 

[Reloadron]

Not real familiar with that model but most of the parts including a new firing pin can be had here.

When you say hammer plunger do you mean the cocking knob? Does the rifle look like this example? A Model 100G is shown.

Ron

 

[Pacsd]

You might want to try Rimfirecentral.com. Scroll to Marlin. Those guys there REALLY know .22's.

 

[EMNofSeattle]

Not real familiar with that model but most of the parts including a new firing pin can be had here.

When you say hammer plunger do you mean the cocking knob? Does the rifle look like this example? A Model 100G is shown.

Ron

Yes, it looks like that, well the knob on mine is a different shape, but it works the exact same way