SMC-9 bbs jamming

[PrototypAlive]

I’ve recently purchased a G&G SMC-9 this week. However within just a couple bbs of firing I’m having issues whereby the slide is getting jammed with a bb outside of the barrel. This is doing it both in semi and full, several times in a single mag. If I pull the slide back and shake the bb lose it’ll fire until the next jam. 
 

Has anyone else had this experience and found a fix? Or is it a known fault or faulty gun? 
 

Cheers in advance!

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[DrAlexanderTobacco]

What gas, and what BBs? Have you swapped either to see if it makes a difference?

What happens if you load one BB into the mag, fire it, take the mag out, and repeat? (This will take a while to test, but it's worth a shot imo)

 

[CheeseToastie]

I had the same with my smc9 and it turned out to be the brand of BB I was using.

I forget what the brand is now but try changing your BBs and see if that works for you.

 

[Hocking]

Hi I'm having the exact same issues only just started recently and been using the same BBS as I have since i bought the gun a few months ago is there any other reasons that would cause this