All internals are pretty much brand new and have only been used for one day of airsoft the shell gun is a little older and missing bolt release but everything else functions fine Gun shoots well and I can provide videos if you want Emg/umbrella corp m4 sbr-$350 Backdraft phoenix hpa engine-$250 Backdraft catalyst gen 2-$65 Maxx HopUp unit-$90 Prometheus 6.03mm inner barrel-$70 Maple leaf super macaron bucking-$15 Maxx speed trigger-$25 Total-$865 Price is negotiable