Marlin 100 firing pin?


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EMNofSeattle
March 17, 2013, 07:59 PM
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?

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Reloadron
March 17, 2013, 08:14 PM
Not real familiar with that model but most of the parts including a new firing pin can be had here. (https://www.gunpartscorp.com/Manufacturers/MarlinGlenfield-33379/Rifles-37333/100-38911.htm?page=1)

When you say hammer plunger do you mean the cocking knob? Does the rifle look like this example? (https://www.gunpartscorp.com/Manufacturers/MarlinGlenfield-33379/Rifles-37333/100G-38912.htm) A Model 100G is shown.

Ron

Pacsd
March 17, 2013, 10:44 PM
You might want to try Rimfirecentral.com. Scroll to Marlin. Those guys there REALLY know .22's.

EMNofSeattle
March 18, 2013, 04:49 AM
Not real familiar with that model but most of the parts including a new firing pin can be had here. (https://www.gunpartscorp.com/Manufacturers/MarlinGlenfield-33379/Rifles-37333/100-38911.htm?page=1)

When you say hammer plunger do you mean the cocking knob? Does the rifle look like this example? (https://www.gunpartscorp.com/Manufacturers/MarlinGlenfield-33379/Rifles-37333/100G-38912.htm) 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

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