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Posted By: Retiredmech Misfire... - 12/13/20
I have a Mauser single shot .22 Magnum. It’s a custom gun probably built in the late 60s - early 70s. Fajen stock, Weaver K6. It started to misfire occasionally years ago. It clicks but does not fire. Recock it and it fires. I shot it yesterday and the malfunction is happening more frequently. The firing pin makes a mark on the shell, but apparently not enough. What I need is the contact info for a reliable gunsmith. And would I be able to just send the bolt or would I have to send the rifle?
Thanks, Keith
Posted By: 5thShock Re: Misfire... - 12/13/20
I have no idea about gunsmiths in your area but anytime a rimfire won't fire my first step would be to clean the breech face of the barrel, the chamber and the bolt face. Powder and bullet lube residue in those places can soften and cushion the blow of the firing pin. I would also make sure the firing pin channel in the bolt was clean and dry. Squirt some Gunscrubber or brake cleaner into the firing pin hole.
Posted By: Retiredmech Re: Misfire... - 12/13/20
Thank you 5thShock. I will give that a try.
Posted By: gnoahhh Re: Misfire... - 12/13/20
Good advice. More than half the time rimfire misfired are traceable to gunk.

I'm intrigued. What flavor is this Mauser? Converted centerfire or a Mauser .22 LR upped to .22RF magnum?
Posted By: Retiredmech Re: Misfire... - 12/13/20
Gnoahhh, I have no idea what it was originally. I just know I’ve had it for 40 years and a it’s killed a lot of squirrels and rabbits over the years. I can email you pics and the information on the rifle. I would like to know what it is as well.
Posted By: 5thShock Re: Misfire... - 12/14/20
Mauser made 22 single shot training rifles to train Krauts to fire Mauser 98's. Another example of the overdoingness that helped them lose WWII.
Posted By: gnoahhh Re: Misfire... - 12/14/20
Originally Posted by Retiredmech
Gnoahhh, I have no idea what it was originally. I just know I’ve had it for 40 years and a it’s killed a lot of squirrels and rabbits over the years. I can email you pics and the information on the rifle. I would like to know what it is as well.



PM sent regarding pics.

Mauser .22 rimfires were/are pretty nifty. I especially like the kind of rare repeaters (Model 410 or somesuch).
Posted By: carbon12 Re: Misfire... - 12/23/20
If a serious cleaning does not clear up the misfiring, perhaps the firing pin spring is fatigued and needs to be replaced. Is the rifle stored with the FP cocked ? If so, that could contribute, over time, to a weakened FP spring.
Posted By: 1minute Re: Misfire... - 12/23/20
I'd also break the bolt down completely
Posted By: robertham1 Re: Misfire... - 12/23/20
Definitely interested in the details of this rifle if they become available.

Gnoahhh I believe that model you’re looking for is the Mauser MS410

It’s difficult to decipher the Mauser rimfire model numbers.
Posted By: Retiredmech Re: Misfire... - 12/28/20
Robertham1 I can send you pics if you want. I would like to more about it as well. Keith
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