77/22 ejection

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Bell Swamp

Bearcat
Joined
Sep 30, 2009
Messages
35
I bought a used 77/22 several years ago that shoots well but that occasionally has trouble ejecting the spent case. Is this a common problem? Is there an easy fix for it? I am using 77/22 magazines rather than 10/22 magazines. The 10/22 magazines really give problems with ejection.

Does anyone have any suggestions on how to strip down the bolt?

edit: Ooops, I should have put this in the rimfire section.
 

mattsbox99

Hunter
Joined
Jan 12, 2009
Messages
3,391
.22LR or .22Mag?

The magazines are the same and have nothing to do with ejection. Ruger went to a dual extractor somewhere around 2000 because of some report of a failure to extract. These rifles have a fixed ejector, so I doubt that is the problem and rather you have an extraction issue. Make sure the chamber is clean and take a look at the bolt and see if it has 1 or 2 extractors.
 

Bell Swamp

Bearcat
Joined
Sep 30, 2009
Messages
35
The extraction is quite good. The problem is that the case occasionally does not hit the ejector and remains gripped tightly to the bolt by the extractors.

The magazines are a little different. The 10/22 has a round bottom and the 77/22 has a flat bottom. A 10/22 does stick out some in front when used in a 77/22. The lips do appear to be the same.

It has two extractors. The serial number is 700-52XXX.

edit: I found instructions on how to strip down the bolt.
 

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