Vortex Optics and Products Vortex Optics:Vortex Crossfire depending on the difficulty of

depending on the difficulty of the job

At a reasonable price for a quality optic

as the zero is in the sight itself)

Integrated quick-release allows fast attach/detach while camlock engages/disengages magnifier with direct pressure

these rails will NOT bolt in flush with the receiver

Vortex Optics and Products Vortex Optics:Vortex Crossfire depending on the difficulty ofWe at Design Machine carry a spectrum of Vortex products. Vortex makes great quality optics and accessories. Currently in stock we carry the "Crossfire", the "Razor" and "Venom". All red dot optics that we sell matching mounts to fit tightly into your PS90. We also carry the VMX 3T magnifier that we use with our original Flip Up Optic System. We at Design Machine also have the ability to provide you with ANY vortex product that your interested in,