This is an upgraded tippmann m4 Externals Daniel defence mk18 rail 10in outer barrel G&g stock Jbu 4.75in sound amp Internals Hopup mod Buffer tube spring spacer Prommy barrel Madbull blue bucking I need this gone fast. I can provide shooting video and more pictures. Trades will be for polarstar products like a jack, f1, or fusion engine(with body of course) will trade for an upgraded gbbr with accesories.