Good crosshair to use

just use the simple 1.6 crosshair in green :D

CP in console:
cl_crosshairalpha "255";cl_crosshaircolor "5";cl_crosshaircolor_b "50";cl_crosshaircolor_r "50";cl_crosshaircolor_g "255";cl_crosshairdot "0";cl_crosshairgap "1";cl_crosshairsize "4";cl_crosshairstyle "4";cl_crosshairusealpha "1";cl_crosshairthickness "1";cl_fixedcrosshairgap "1";cl_crosshair_outlinethickness "0";cl_crosshair_drawoutline "0";

https://tools.dathost.net ~ made it there