G&G Mp5 a4 shooting by itself
 

My G&G Mp5a4 has recently developed an issue while on fully automatic. After I release the trigger, the gun continues to fire for several seconds before finally stopping.

There is also an issue with the gun burst firing while set to semi. My gun does not have a burst position on its fire selector.

This gun has only been used in two games and is fairly new.

If anyone knows what could be causing this any info would be much apreciated. Thank you in advance.

Id say take apart your gearbox and check your trigger system is in order and that your fire selector is in the proper positions, i know once I put together a AK V3 gearbox wrong and it would only do a 2 shot burst or full-ish auto. Turns out the spring that is used to pull the trigger back was loose.

You left your aimbot on

theres a little "sled" that the trigger moves forward to push a copper wedge into the trigger contacts-clearly it's sticking forward from too much grease or bent trigger contacts or a return spring problem.Or your guns possessed... try sprinkling it with holy water