Echo1 xsr by Robinson Arms. Awesome CQB weapon with folding stock, mosfet and wired to deans mock peq batt box has lipo batt installed included. 45 degree fire control, ambidextrous bolt release, working bolt assembly, full rail system, side folding stock, unique serial number. Shoots amazing 390fps shipping and fees included. Was $399 new on evike recently lowered to $249 new selling for $180 with shipping and fees included no trades