br7-mount-picatinny-rail-15-24mm-beamshot-rf9-b-mount-universal
br7-mount-picatinny-rail-15-24mm-beamshot-rf9-b-mount-universal, The BR7 mount Creates a standard 1913 picatinny rail system on bull barrel long gunsIncluded in the BR7 kit are four different size spacersFits on all round barrel type firearms; Ideally suited for 12, 16, 20, 28 gauge shotguns and all kinds of rifles, with an outer diameter of 15-24 mmSKU: MT-2062