The Aimtech ASM-1, ASM-2, ASM-120, and ASM-220 mounts for Remington 1100/1187 and 870 shotguns are unbeatable in quality and price makes it an unbeatable value. The inverted vee-way centers the mount over the receiver and peaks high enough for the shotguns bead sight to still be used. Installs in just minutes with the installation screws and allen wrenches necessary provided with the mount. Satin black only. Weighs 4 ounces.