The Shocktech Front End Kit is the drive behind some of the fastest shooting Autocockers in the world. It combines the reliability of the FGP Regulator with the speed of the Shocktech Ram and shortened stroke of the Bomb 3-way. All pre-assembled and ready to screw right into your Autococker. Older style guns ONLY! 2000, 2001, 2002, 2003 Mechanical Versions.