I recently purchased a L1A1 at a gunshow that looks to be in pristine condition. It has been built on a IMBEL receiver brought in by Century Arms.

The specific problem is that the rifle will not cycle in the semi-automatic mode but only single shots

I have stripped it and inspected everything I can think of but after reassembly and testing it today at the range, it still won't cycle.

I am using the Indian 7.62 NATO rounds and they work perfectly in the other FAL I own so do not suspct the ammunition.

I have tried the gas settings at all positions. The gas tube plug has two positions it can be fitted in - the one side of the plug has a groove on the outside - I am not sure what is the correct position for this groove but hav tried it both ways.

Can someone give me a few more ideaas of what to check for?
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