Shield RMSc [Glass]This red dot uses the Shield RMSc footprint standard. The Original Micro sight reinvented for small form factor applications and narrow slide frames. Manufactured from Aerospace grade aluminum with a choice of Crystal Clear 1x Hard Dip Coated Acrylic Lens or Colour Free Glass lens.. Unlike many competing products, the RMSc is designed without a red reflective filter on the lens to ensure minimal visual signature. The sight body is made from aerospace