marlin 99 m-1 jammin' man

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giffin

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My son has a marlin 99 m-1 that we cannot figure out. Unless we fire the cci minimags and have it very clean, it will not fully eject the casings about every 3-4 rounds. I thought it was the buffer but we replaced it and still no go. any ideas?
Thanks,
Ken
 
Give it a good cleaning, use a graphite lube on the rails. Also check the chamber for damage, burrs.
 
Hi There, I have a Marlin Model 99. (no M or other letters) When doing a detaied cleaning teh trigger assembly (with all those springs) came apart. Can someone please send or direct me to a detailed assembly drawing? I looked at Brownells with no luck.
 
I had the same problem, I tore mine down to pieces and gave it a thorough cleaning. Then it still!! did it!:mad:..... but not as often. I wound up cleaning/polishing the chamber with a small mop and Flitz metal polish. This pretty much solved the problem, I get a FTE once every 3 or 4 mags now. Everything I have read about this model, this is a very common problem.

Also check the ejector/extractor and the recess (it gets gunked up) it fits into, and the spring tension.

Numrich has a parts schematic online, but it may be difficult to see how to properly assemble it from that.

Link to Numrich: http://http://www.gunpartscorp.com/Default.aspx

Click on "M", select "Marlin/Glenfield and find your model...there is a schematic for the 99M1, the trigger pack should be similar/same for all the Marlin 99's.
 
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