Mysterious mp5 problem...easy fix, seems to easy...
 

So I was doing some plinking with my sd5 and randomly it a dud would shoot out, going somewhere around 50-75% of its average range, confused as I was I went for a drive, but picked up some silicon oil on the way out, sprayed it in my mags loaded them, shot it and it went away.... This seems to good to be true.

Symptons:
(Semi and full aut)

Would be fireing the gun, and would get a "dud". Tried counting how many good came out compared to how many duds came out but I could not find any pattern, and yes I adjusted my hop-up through out this thinking making it would be that (Even though I still do..) and it didnt change a thing. This is when I said "F*CK IT IM GETTING FOOD!" and thus went and bought silicon oil....

Yep, someitmes a little lube does wonders, not only for airsoft guns. ;)

If the hop-up was a little dry, this can be the result.

Thats all I needed to hear!

Cheers!