These manufacturers are authourozed to sell Horus reticles:

If your chosen reticle is not available from that manufacturer please contact them and request it.

Burris Company, Inc.

Bushnell

EOTech

Hensoldt

Kahles

Leupold

Minox

Newcon Optik

Nightforce Optics

Schmidt & Bender

SigSauer

Steiner eOptics

SWFA Outdoors

Tangent Theta

Trijicon

U.S. Optics

Vortex Optics

Zero Compromise

Zero Tech Optics