The only tools you will need are Valve tool, 1/8" 3/16" allen keys. Just put the valve spring on the cup seal and stick it straight up in to the gun, hold then vertically to make it easier to line up.
Gun Metal Gray Mini-Millenium FreeFlow
Eclipse Hinge, PP Ram, Sonic 2K2 LPR, Bullit 3 way, Compulsive Edge Bolt. PP TC Hammer, PP Valve, AKA Sidewinder, Clear HALO B
2K2 Vert. Feed Cocker
WGP Hinge, Kapp Fat Ram, MicroRock LPR, Dye P.M.P. 3way, Superfly Bolt, FreeFlow S.S. Hammer, AKA Tornado Valve, SP Max-Flo Vert. Reg