Carlsons choke tube flush mount 12ga cyl accu-mag

FEATURES
-Mossberg M835/M935
-12 gauge
-Cylinder choke
-Diameter: .774
-Flush mount
-17-4 stainless steel

Other Features: .774 dia.,safe for use with steel,lead,copperplated, nickel,hevi-shot,& bismuth fits mossberg 835 & 935