Its a HL pantiger im redbuilding http://www.rcuniverse.com/forum/m_5551531/tm.htm ..... Im just worried about the firingbuttonsignal - it just makes the motors jump back ( recoil ) and some sound , so it could be hard to use it to fire the gun .... I might get it to do the recoil action when I fire the bb gun the standard way ( synchronizing will be a problem ), but using the gun button to acctually fire the gun is an other matter ...