Geo 4 is official and will retail for $1195.95 and start shipping in March 2020. The Geo 4 is a new spool valve gun from Planet Eclipse. Currently, Eclipse offers the Emek, Etha 2, MG100, 170R, M170, and CS2 all spools valve. that use the super popular GammaCore bolt system, the Geo 4, however, will use the older IV Core that was found in the CS1 and Geo 3.5.