Holosun ARO-MRS-GR Enclosed Green Multi-Reticle Sight

Description

ARO (Advanced Rifle Optic) is an upgrade from Holosun’s popular 20mm 403 and 503 series optics. ARO features a new 22mm housing design that fits perfectly with their magnifier series and a 1.63-inch lower 1/3 co-witness pedestal mount.