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View Full Version : Help With Tear Down: Mossberg 935


rabid_rob
January 20, 2008, 02:11 PM
Looking at the owner's manual first...
http://home.comcast.net/~robertscoats/mossberg/figure_10.jpg

And here's mine:
http://home.comcast.net/~robertscoats/mossberg/dis_1.jpg

Looking closer, I see there's a split ring:
http://home.comcast.net/~robertscoats/mossberg/dis_2.jpg

It appears to be holding onto the piston, but slides off easy with a small bit of prying:
http://home.comcast.net/~robertscoats/mossberg/dis_3.jpg

But there a fixed, upper ring (red) that prevents the gas piston (blue) from coming off the magazine tube...? This upper ring is not shown in the manual, and appears to be part of the magazine tube or press-fit onto it?
http://home.comcast.net/~robertscoats/mossberg/dis_4.jpg

Anyway, how do I get the piston and the rest of the parts off the magazine tube?

Also, when the magazine is empty and I tip the shotgun up and down, I can hear something (maybe a spring?) sliding back and forth inside the magazine...is this normal?

Smitty in CT
January 20, 2008, 07:15 PM
WOW!! the gas piston and ring should come off with the barrel, the piston spring and ring will usually slide out of the barrel as an "assembly" there is no need to take these apart because you can clean them without disassembly.

I think you need to soak it real good, in some penetrating oil, I like CLP Breakfree...

How long between cleanings did that go??? Or, was it dunked???

As far as something sliding inside the mag tube, it's probably the plug...

Smitty in CT
January 23, 2008, 09:50 PM
Any Luck yet???