Shield Sights Spare Cover Black SMS NSN 1005-99-599-1106. These Red Dot Sight Accessories are constructed from top-of-the-line materials that ensure efficiency. As a leader in the industry for several years Shield Sights continues to bring some of the best optics on the market and Shield Sights Spare Cover is an example of their commitment to give you quality devices. Shield Sights Spare Cover is just the tool that brings shooters the system necessities that can make your sight hold up against the heaviest of recoil or increase field of view. We at OpticsPlanet are ecstatic to point you in the right direction of finding the best fit for your red dot's requirements and Shield Sights Spare Cover is a part of the many sight attachments that we are thrilled to offer. So make sure your sight doesn't lose a beat with Shield Sights Spare Cover. Package Contents: Shield Sights Spare Cover Shield Sights ACC-COVER-SMS: Spare Cover Black SMS NSN 1005-99-599-1106