"Aimtech ASM30 Dovetail Mount For Mossberg 935 Matte Black FinishThe Aimtech ASM-1 and ASM-2 mounts for Remington 1100/1187 and 870 shotguns are the finest available and used by many thousands of hunters nationwide and internationally. The inverted ""vee-way"" centers the mount over the receiver and peaks high enough for the shotgun's 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."