GC_UPC Mossberg 590S 12 Ga Pump Action Mlok Forearm 20" Barrel 51602 $649.00 51602 show more like this 9.99-29.99 Per Item Gunprime GC_UPC Mossberg 590S 12 Gauge, 20" Barrel, 3" Chamber, 13rd, Matte Blued, Black Stock, M-Lok Forend, (1.75" Shells) $667.43 51602 show more like this $24.99 Handguns / $39.99 Long Guns Firearms Depot