Introducing the Rucker Machine Browning Buckmark Pistol Red Dot Mount. This mount replaces the top rail on your Browning Buckmark, and allows you to mount a red dot optic. CompatibilitySome very old Browning Buckmark models use mounting screws with a shoulder. This mount WILL fit, but you'll need the 8-36 screws.Some Target models (Field/Target and Field/Target Micro, for example) with factory picatinny rails may come with longer than normal screws. Some Target models (Field/Target and Field/Target Micro, for example) may come with barrels that have a round profile under the sight rail instead of a flat. This mount is designed for a barrel with a flat surface where the sight rail mounts.Vortex Venom users: There's more than one version of the Venom now, please verify which one you have before ordering on the Optics Compatibility page. If you have the older version, the mounting screws that come with your optic are too long.Primary Arms SLx RS-10 users: The body of this optic is thic...