Citadel FRMN2020NKL Mariner Full Size 20 Gauge Pump 3" 4+1 18.50" Nickel Finished Heat Shield Barrel, Nickel Finished Aluminum Receiver w/Picatinny Rail, Black Fixed Walnut Stock
https://www.tandktactical.com/shop/682146898972-citadel-frmn2020nkl-mariner-full-size-20-gauge-pump-3-4-1-18-50-nickel-finished-heat-shield-barrel-nickel-finished-aluminum-receiver-w-picatinny-rail-black-fixed-walnut-stock-57901
https://www.tandktactical.com/web/image/product.template/57901/image_1920?unique=fb53312
Includes side shell holder and three chokes.