***NO TRADES, SOCAL F2F ONLY*** External mk46 upper rail, ares cookie cutter, aim riser. Internal 6.01 363mm tightbore, echo 1 full steel tooth Piston, echo 1 high tourque with she pinion head, modify quantam low resistance wiring to deans with 3 spare micro switches. Willing to meet at Tac City fullerton or Tsunami Airsoft.