For sale is my G&P WOC challenge kit open bolt GBBR with 4 rebuilt (no leaks) GHK G5 Gen1 magazines. Over $800 in parts and accessories. Magpul AFG2 Magpul MOE retractable stock Magpul K2 pistol grip Evike 1.5x red dot sight OPSMEN 750lumen pressure activated light APS 10.5" M-Lok handgaurd G&P 9.5" aluminum outer barrel Madbull/Noveske KX3 tracer unit Matrix barrel extension GHK G5 flashhider 14mm+/14mm- adapter Steel internals/steel roller hammer Angel Customs NPAS The gun does not currently fire because of a torn o-ring on the gas piston. I haven't been able to find the o-ring locally, so I haven't messed around with it. Asking $550obo. No trades, gun sold complete.