CUSTOM M4 PROJECT GUN $300 (Price negotiable, please make offer) This gun has not seen play and has probably seen less than 1000 rounds through it. I built this gun from the ground up, This gun started as a G&G combat machine challenge kit ($136) External Parts: G&G widow maker full metal body ($115) Madbull Noveske 10" rail ($110) Cqb outer barrel with 6" flash hider/barrel extension ($30) M4 6 position LE stock ($25) Internal parts: Mad bull tight bore 6.01x363mm inner barrel ($45) Prometheus bucking ($10) Ascu gen 1 computer controlled mosfet wiring harness* ($100) Systema M110 Spring ($10) Modify Cylinder head ($8) G&P m140 motor ($45) Reshimmed and lubed Extras & Accessories: Comes with G&G crane stock & buffer tube G&P zombie killer barrel extension/ mock suppressor Magpul AFG Mock aim point red dot 1 70 round magpul mid cap magazine 9.6v 1600mah butterfly battery and smart charger External battery pouch ** Extra wire harness ($100+) Notes: *** ASCU mosfet wiring unit has been acting up, but it still works. I am including an extra wire harness with the package. Because of the large wiring I currently run a external battery pouch on the LE stock but I also included the G&G crane stock. The wiring can fit in a crane stock with the right kind of buffer tube.