Dytac full metal M4 SSG, fully upgraded but never fielded, comes in original box, upgraded by tech but not fielded. Build: Dytac 10" Black Jack $420 Maxx Cylinder $20 Maxx Cylinder head $15 SHS piston $15 SHS 13:1 gears $25 Lonex A2 High torque motor $60 Prometheus SS barrel with R-Hop $94 Modified flat bucking $15 Maxx EMG hopup $69 Custom ETU $40 Prometheus M120 spring $18 wired to deans Labor and shimming: $100 Total build cost: $891 Selling price $750 ($141 off!)