Fully rebuild and tuned 05 Prostock. Every seal replaced, including the LPR stem seal. WGP Autococker. Gun only with original barrel and a .685 HK barrel. Shooting 325 FPS with very low bolt pressure and spring pressure. She rips like crazy for a mech. This thing is set on kill mode. Ready to air up and use immediately. Can adjust velocity from either the IVG or the in-line regulator enjoy this great BLAST FROM THE PAST. Shooting Video Link https://www.youtube.com/watch?v=KIY1cNxp7Wk **********NOW WORKING**********