I have a G&p rapid m4 has upgraded asg 45k high speed motor installed with new wiring works great selling because I have a vector now so it is not needed hit me up with any offers! The price for one of these brand new is about $350 this has a upgraded motor so it shoots at 40 rps will come with black charging handle I also have 5 Troy 190 round mid caps that I could throw in for a extra $40 you will have to add $20 for shipping