AK gas piston question.

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Rush2112
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AK gas piston question.

Post by Rush2112 » Fri Apr 18, 2008 8:59 am

I disassembled my WASR today out of curiosity to see how it was standing up after a little over a thousand rounds and no cleaning. As I pulled out the gas piston, I noted that instead of pulling straight out, it traveled to the right so that there was a gap between the piston rod and the tube on the left side. Is it supposed to do that? I checked the tube, it doesn't look canted.

Thoughts?
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Post by zombie_mike » Fri Apr 18, 2008 12:00 pm

Just keep in mind that a WASR/Romanian AK is at the bottom of the AK family as far as quality/quality control. Check the tube and the piston to make sure there is no bending/warping/loss of strength and make sure the piston pin is still there (there should be no/little play between the gas pistion and the bolt carrier)...but if it is still working and there is no grinding between the gas piston and the tube, then I really wouldn't worry about it.

I'm at work, but IIRC, the gas piston doesn't fit perfectly in the tube, so there will be room to play.

I don't know a ton, but I don't think it will cause any serious problems.

Of course, you could always get it checked out by a GS.

PM DavePal or Obiwan as their knowledge is about topps on this forum.

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Post by Obiwan » Fri Apr 18, 2008 3:11 pm

There are some ribs in the forward portion of the gas tube that the end of the piston rides in. I imagine that you just saw the piston "slip" as it pulled back beyond those ribs into the larger portion of the tube..no problem.....no worries

Or my visualization-fu is just too weak

Or I am too stupid

Both are likely :D

Perhaps you should send it to me to be disposed of
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Post by Hoppy » Fri Apr 18, 2008 3:53 pm

its a WASR, hell its an AK. it will work fine. and if it stops working kick it back in. and it will probably start working again :lol:
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Post by crypto » Fri Apr 18, 2008 4:08 pm

If you see any part on an AK that isnt fitting tightly that means there's not enough sand in it. Heavily lubricate the part in question and roll it around in sand, then re-insert. You'll then find the tolerances are correct.

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Post by Hoppy » Fri Apr 18, 2008 4:23 pm

crypto wrote:If you see any part on an AK that isnt fitting tightly that means there's not enough sand in it. Heavily lubricate the part in question and roll it around in sand, then re-insert. You'll then find the tolerances are correct.

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exactly! :D
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Post by Rush2112 » Fri Apr 18, 2008 5:07 pm

I know it's an AK and there's supposed to be loose tolerances...but damn. My AK is looser than Paris Hilton....

I guess I just don't want a gas piston embedded in my forehead or something.
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Post by Big A » Fri Apr 18, 2008 8:13 pm

Sometimes you guys crack me up.

Thanks for the laugh, I needed it! :lol:
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Post by Tyler Durden » Fri Apr 18, 2008 8:22 pm

Dude, it's supposed to do that. I've built over a dozen AK's and have helped friends build twice that many. The majority of military AK's have slop in the gas piston. I believe it's part of the design. Either way, it does not hinder reliability.

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Post by Dave_M » Fri Apr 18, 2008 10:04 pm

AK's have incredibly loose tolerances. The piston isn't supposed to be tight and fixed, it's supposed to be loose and have a bit of slop.

No worries.
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Post by Scott Skawronska » Sat Apr 19, 2008 11:57 pm

If you see any part on an AK that isnt fitting tightly that means there's not enough sand in it. Heavily lubricate the part in question and roll it around in sand, then re-insert. You'll then find the tolerances are correct.

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Post by drobs » Mon Apr 21, 2008 11:33 am

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