Mossberg 90136 OEM Replacement 20 Gauge 26" 3" Blued Finish Steel Material All Purpose Style with Vent Rib & Accu-Chokes for Mossberg 500; Maverick 88 $273.41
Mossberg 95195 Accu-Choke 12 Gauge Modified Steel Black for Mossberg 500, 535, 930, 940 & Maverick 88 Threaded Barrels $28.86