Base gun vfc mk18-400 Internals: 13:1 short stroked shs gears Lonex compression Madbull piston Gate titan mosfet Promy 6.03 tb inner barrel flat hopped w/ lonex hop up unit Externals: working peq-15 Knock off surefire x-300 T1 dusted tan Kwa stock (for battery space) Avengers block 2 suppressor Pts battle comp flash hider Madbull mk18 rail Magpul trigger guard and fore grip Can include 6 pmags for an additional $200 And a dusted eotech for an extra $50 Over 6 hours of tech work on it. Buyer pays all shipping