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Old 01-05-2013, 06:00   #19
SPIN2010
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Join Date: Mar 2010
Location: On the move ... again!
Posts: 1,840
How long has that gun been sitting or last cleaning?

You might have to disassemble the inertia arm/link and rear stock light oil lube (i.e. check for goo). Clean it (rcvr too), loosely reassemble, and then cycle the action ... tighten it up slowly/evenly. Also make sure the link is not contacting the rcvr-stock plastic spacer (seen that a time or two on M1 SGs).

I had one that acted up, and this brought mine back into action 100% ... just a thought.

Last edited by SPIN2010; 01-05-2013 at 06:02..
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