Shield RMSd [Glass]This red dot uses the Shield RMSc footprint standard. An all new parallax free, Hard Dip Coated Acrylic optic, which can withstand up to ten times greater shock impact than products using regular glass lenes. Unlike many competing products, the RMSd is designed without a red reflective filter on the lens to ensure minimal visual signature. The sight body is made from aerospace grade aluminium and has an anodized matte black finish. Variable intensity