Black Box Customs - Sig P320 Optic Adapter Plate - Holosun 509T

Introducing Black Box Customs' Sig P320 Optic Adapter Plate, designed specifically for the Holosun 509T. Constructed from Nitrided Steel, this low-profile plate minimizes height over bore. Machined to tight specifications it ensures a precise fit while maximizing thread engagement.

With easy-to-read laser engraved torque specs right on the plate, you'll never have to guess how much you have to torque the mounting screws into the plate.