what ie got here is my bko project that i dnt really wanna part with but need money at this point. board wires and internals are all stock. has a promaster trigger frame on it which has had a little milling and cutting to fit with the zeni 15 degree so the hard works done for that. hasa custom trigger on it that i set up. gun shoots grat it just needs a barb for the zeni 15 degree and the 2 oring idk which ones it takes so i shot it leaking and was still awesome.
promaster trigger frame
zeni 15 degree asa
It needs an oring for the zeni 15 degree and a barb
comes with an extraue feedneck a set of stock b2k4 grips and the oringinal asa