even the ATI web site does not list that info I think it is a fixed cylinder choke but I would verify this at ATI 231 Deming Way
Summerville, SC 29483
Phone - 1-800-290-0065
Fax - 843-851-2897

even the ATI web site does not list that info I think it is a fixed cylinder choke but I would verify this at ATI 231 Deming Way Summerville, SC 29483 Phone - 1-800-290-0065 Fax - 843-851-2897

Hello greg, I hope you got this figured out. It is more than likely a Fixed Cylinder choke. Hope that helps!

even the ATI web site does not list that info I think it is a fixed cylinder choke but I would verify this at ATI 231 Deming Way Summerville, SC 29483 Phone - 1-800-290-0065 Fax - 843-851-2897

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Hi Greg this shotgun uses a "Fixed Cylinder" Choke which is common on defense shotguns. I would verify this at ATI 231 Deming Way Summerville, SC 29483 Phone - 1-800-290-0065 Fax - 843-851-2897

Greg this shotgun uses a "Fixed Cylinder" Choke which is common on defense shotguns.