Has anyone got any experience of how to strip and clean a GEM air rifle? I would really love to hear from anyone who has.

I acquired one recently, and it shoots - which is a start. I unscrewed the stock, and removed the spring, which is a bit knackered, but still all there. I could not remove the piston however not sure how this is done.

After shooting around 20 pellets, the rifle did something quite disturbing... it began to snap shut when cocked. Not all the time.

I will post some pics when I get time, but would love to talk to anyone who knows these rifles.

Best regards to all

Will