Get micrometer click sight adjustment and superior sight picture without gunsmithing or permanent alterations to your air rifle. This is the same sight that comes standard on the Daisy Match Grade Avanti XS 40 Match Rifle. Designed to clamp to any 11mm dovetailed receiver this precision sighting instrument will provide an enhanced sight picture and highly repeatable micrometer sight adjustments. Can be used on Daisy Match Grade Avanti models 853 and 953 target rifles but ONLY if you use a globe front sight. Steel body and rail clamp, black, baked on finish. Rubber eye cup. 5 1/2" long, 2 1/4" high, weighs 8 oz. Use with Daisy's Match Grade Avanti globe front sight (model 168869-000).