The Weaver 48341 No Gunsmith Shotgun Mount is designed for mounting sight devices onto the Mossberg 500, 835 (12 Gauge) shotguns. The multi-slot base allows you to mount a variety of optics including scopes, red dots, and laser sights while obtaining the optimum eye relief. Its low profile form fitting design allows you to shoot in your natural position without peeking. This shortgun mount is strong and lightweight and made of tough polymer composite material. It can operate in a temperature range from -40 to 150?F (-40 to 65.55?C).