Weaver No Gunsmith Shotgun Saddle Mount Black - Remington 870 1100 1187 . The multi slot bases allow you to mount a variety of optics including scopes red dots and laser sights while obtaining the optimum eye relief. The low profile form fitting design allows you to shoot in your natural position without "peeking." Strong and lightweight made of tough polymer composite material these mounts will operate in temperatures of -40 F to 150 F. Package Contents: Weaver No Gunsmith Shotgun System Weaver 48340: No Gunsmith Shotgun Saddle Mount Black - Remington 870 1100 1187 - 48340