Citadel FRMN2020SYN 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 Synthetic Stock
https://www.tandktactical.com/shop/682146898989-citadel-frmn2020syn-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-synthetic-stock-57900
https://www.tandktactical.com/web/image/product.template/57900/image_1920?unique=99a071b
Includes side shell holder and three chokes.