Shop › MESA SRSHL PLY W/RFX 1301 TAC 6-12GA MESA SRSHL PLY W/RFX 1301 TAC 6-12GA $121.95 Mesa Tactical SureShell, 6-Shell Side Saddle with Trijicon RMR Mount, Fits Beretta 1301 Tactical 12 Gauge, Polymer, Matte Finish, Black 95310 Quantity: Add To Cart Added! Mesa Tactical SureShell, 6-Shell Side Saddle with Trijicon RMR Mount, Fits Beretta 1301 Tactical 12 Gauge, Polymer, Matte Finish, Black 95310