ADE Advanced Optics Spike Micro Green Dot Sight 4MOA Black RD3-018G. ADDITIONAL INFORMATION FOR ADE RED DOT FOOTPRINTS: ADE RD3-006B RD3-009 RD3-012 and RD3-013 fit optic cut/plate that is compatible with Vortex Venom/Burris Fastfire/Doctor footprint;...