Rebuilt internals with: wire-cut gears(think lonex or zci) FMR 19t piston Ca bore-up m110 compression set Echo 1 ultra torque motor Updated CA rotary hop up R-hopped Prometheus barrel Gate Titan Externally she has: beta project 16in outer barrel ASGI knock-off 15" giesselle rail Pts battlecomp Pts Magpul ACS Noveske gas block Magpul ASAP Random tan grip Shooting 465-468 w/.20g and a touch of joule creep, she's an amazing DMR. Price is 300 shipped