MAGNETIC BASE SIGHT TOFIT RIBS FROM .3555" TO .440" (23/64-7/16; 9MM-11.1MM) 2 RED AND 2 GREEN LITEPIPES. FITS: MOSSBERG:ALL SHOTGUNS, REMINGTON SP10, WINCHESTER: 1200, 1300, 1400, SUPER X2, BROWNING, CITORI TARGET MODELS (EXCEPT SUPER WIDE RIBS), BERRETA, S682 COMP, TRAP GUNS, WEATHERBY: ORION MODEL SHOTGUNS.