An optical sight and system. The optical sight includes a housing including a base. A first support and a and a second support extend from the base. A top support extends between the first support and the second support. The top support extends over an optical element and includes a surface adjacent to the optical element. The top support of the housing defines at least one opening extending above a portion of the optical element. The optical element is supported by the housing between the base, the first support, and the second support.