Kriss vector dsg build -Parts list -lapped 230mm barrel to .25 micron and r hopped -shs m4 nozzle and fps softair cylinder -r hop s nub with emg blue atlas bucking -18:1 dsg with 28tpa motor -perun mosfet -fps softair black piston with x ring piston head -sp160 spring -flt bushings -custom tappet plate with real deal airsoft tappet spring -3 mags and a tracer unit which covers the extended barrel -also has speed trigger -sp160 This gun is shooting about 300fps with 0.32 gram BBs