Win AccuChoke Tube Modified 12GA Mossberg

Caliber 12GA example 12/76, Shotgun Model 500, 535, 590, 590A1 and/or Maverick 88 fits not Model 835, 935, SA-20 and/or Silver Series, Win Flush Accu-Choke Tube Size Modified narrowing .020Inch/5.08mm, Code WINF12BMO Briley USA.-Fits usually also for the following Shotguns:-Browning Models with Invector Standard System Thread -Savage Model 212-Smith & Wesson Model 1000 Old Style-Winchester Model 1200, 1300, 1400, 1500, Ranger with Standard Winchester Chokes/WinChoke-Important Notice:Fits not System Invenctor Plus (INV+) and/or Invector DS Threads of all Manufacturers!