Selling my jack esg build. I have never used it, and most of the parts are ootb or unused. Parts list: gen 1 airtac crnb upper Airtac acetech tracer red (rare) 6.01 maple leaf 128mm Airtac x maxx pro hopup Maple leaf macron 70 Flat hopped Maxx mag release Cm lower Monk esg with polarstar reg Ootb unused except for in testing p*jack Speed trigger Asking 700 900 with tank Message with inquires