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  #1  
Old 03-09-2021, 02:24 PM
Fishhead Fishhead is offline
 
Join Date: Feb 2011
Location: SW Idaho
Posts: 83
Default An odd malfunction - Ideas?

I had a strange malfunction with my SA M1 last time out that I'm scratching my head over. I don't remember anyone else describing what happened and I didn't find anything with the search function. Sorry if I missed it.

Any thoughts or insights anyone could offer before I tear her apart would be appreciated.

All eight rounds fired and ejected as expected but the clip did not eject. I grabbed it with a pair of needle-nose pliers and it felt like a wire or piece of spring was holding it in place. I got the clip out with some "gentle manipulation". I figured it was a broken spring, but to test I loaded a full clip and chambered the first round. Then I pulled the charging handle back and pressed the clip release button. The clip and remaining rounds popped out of the rifle as expected. I chalked the first malfunction up to gremlins. The next full clip functioned as expected (eight bangs and a PING), but the malfunction repeated itself with the following (eight bangs, no PING). That's when I moved on to shooting something else.

The clips were USGI or ones that have worked in the past (i.e., not SF stamped).

Thanks in advance!

Last edited by Fishhead; 03-09-2021 at 02:27 PM.
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  #2  
Old 03-09-2021, 02:33 PM
JimF JimF is offline
 
Join Date: Oct 2009
Posts: 1,449
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Either pull oprod back to lock . . .then peer down into magazine and see if you see the end of the clip ejector spring (with the flattened end intact) . . .

Or . . . .

Remove the trigger group, and likewise, examine the end of the spring.
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  #3  
Old 03-09-2021, 04:58 PM
Det. Jason 714 Det. Jason 714 is offline
 
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Location: Northern MN
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Check to make sure the little hook on the oprod catch is not broken and is also on the front part of the clip latch.

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Last edited by Det. Jason 714; 03-09-2021 at 05:02 PM.
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  #4  
Old 03-09-2021, 07:02 PM
migunshooter migunshooter is offline
 
Join Date: Mar 2018
Location: Michigan
Posts: 180
Default

could be a worn clip latch
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  #5  
Old 03-09-2021, 08:33 PM
Fishhead Fishhead is offline
 
Join Date: Feb 2011
Location: SW Idaho
Posts: 83
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Quote:
Originally Posted by JimF View Post
see if you see the end of the clip ejector spring (with the flattened end intact) . . .
Thanks but...

The business end of the spring is still there and appears to be intact (compared to my other M1).
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  #6  
Old 03-09-2021, 08:38 PM
Twinson Twinson is online now
 
Join Date: Oct 2009
Location: IL
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Did you check with a timing gauge?
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  #7  
Old 03-09-2021, 08:40 PM
Fishhead Fishhead is offline
 
Join Date: Feb 2011
Location: SW Idaho
Posts: 83
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Quote:
Originally Posted by Det. Jason 714 View Post
Check to make sure the little hook on the oprod catch is not broken and is also on the front part of the clip latch.

The hook looks good too and is on the front of the latch. She is about due for her annual take down and cleaning, so I've had several hundred rounds through her before this issue started. But no harm in asking. I'm pretty anal about getting all the pieces in the right places but things happen sometimes.
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Old 03-09-2021, 08:43 PM
Fishhead Fishhead is offline
 
Join Date: Feb 2011
Location: SW Idaho
Posts: 83
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Quote:
Originally Posted by Twinson View Post
Did you check with a timing gauge?
I have not. I don't have one.
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  #9  
Old 03-09-2021, 09:22 PM
Headspace Headspace is offline
 
Join Date: Oct 2009
Location: Massachusetts :-(
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As suggested, I would check and inspect you clip injector spring on the trigger group. Make sure it's not broken or worn,no crud obstructing it. If all looks good test it. Take an empty clip insert it in the magazine, close the bolt. Then smartly pull the bolt to the rear and see if the clip ejects.Use multiple clips maybe just a bad one !
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  #10  
Old 03-10-2021, 12:45 AM
casper casper is offline
 
Join Date: Apr 2018
Posts: 81
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since it is an intermittent failure it may just a good cleaning and a little oil in the trigger group.
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