Quote:
Originally Posted by jwm470
So I've had my mp9 for a while now, but for some reason it's started to act up and jam on me. It almost looks like the bolt doesn't fully cycle back and will leave a gap. Although the cylinder looks like its resetted its just the bolt thats not cycled. ANyone got any advice?
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Check the nozzle spring, from what you described it looks like nozzle spring are either worn out or they snapped off