G&G Mp5 sd5 firing issues
Hi, This is my first post here on Airsoft Canada and I am having an issue with my first gun. My G&g Mp5 sd5 which i bought just to shoot at targets with in my basement(I have a LONG hallway) worked fine with the starter pack of BB's it came with and i used all of those. I then went out and purchased some .20 bb's that I recently found out were crappy low quality bb's. They worked fine for a bit but then the gun would start to double-feed or fire a shot only 25 feet or just not fire at all. I shot it like this for a day or two and then the mag the gun came with stopped twisting. I opened it up and found an out of place spacer and adjusted that and the mag went back to normal, but the gun still had the issue. I was wondering what the issue was? I read it could be the hop-up bucking or is it the bb's or could it be the magazine?
Thanks
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