Trade for HP Engine/tank/reg/guns M249 CA with Box Magazine and Tuning Steel body, not ZnAl, very high quality! Not like New CA... great for HP build New gears 18:1 Spring m140 (can cheange) Piston (trasy for m160) Lipo 7.4 2400mha HU Chamber Airsoft pro Red madbull Bucking G&P Barrel Low resistance cabels I prefere bank transfer. No paypal, i was cheated lasy time... More pic on PM Ship 20$