Shop › MESA SADDLERAIL 5" REM 6-12GA MESA SADDLERAIL 5" REM 6-12GA $152.95 Mesa Tactical 6-Shell Side Saddle, 12 Gauge, SureShell Saddle with Rail, Fits Remington 870, Black 91630 Quantity: Add To Cart Added! Mesa Tactical 6-Shell Side Saddle, 12 Gauge, SureShell Saddle with Rail, Fits Remington 870, Black 91630