FEATURES:-Magnetic front shotgunsight-Fits ribs from .171" to .265" (11/64" - 17/64", or 4.2mm - 6.7mm)-Comes withone redfiber optic family LitePipe-Made to fit: -Beretta (686 & 687 models with ultra-narrow rib, AL390, A304, AL390 Field, 391 Urika...