Universal 12 Gauge Shotshell Side Saddle 4/6 Capacity
TacStar Integral Picatinny Rail Mount w/ Sidesaddle for Mossberg 930 12 Gauge Shotgun, Black - 1081030 | Palmetto State Armory
It ain't much, but it's my first shotgun, and I love it. Maverick 88 with tacstar side saddle, heat shield, and truglo fiber optic front sight. : r/Shotguns
Trinity Aluminum Saddle Mount With Shell Holder For Mossberg Maverick