.[INVECTOR] 20 gauge Waterfowl/Hunting Choke Tube used for Browning/Winchester/Mossberg INVECTOR STANDARD (Win Choke/ Accu Choke)

Extension length: 1.125"  Constriction Guide:   DECOY: Out to 35 yards.  Comparable to an Imp Cyl/Light ModifiedPASSING: Out to 50 yards.  Comparable to an Imp Mod/FullUFO/TURKEY: For kills beyond the Outer Limits.  Comparable to an X-Full/Super Full No Limits! Compatible with ALL Target & Hunting ammunition, including Turkey Loads, Buckshot, Slugs, Steel Shot, Hevi Shot, Tungsten, TSS, Kent, Fasteel, Bismuth, ITX, Winchester Blindside, Federal Black Cloud, Remington Nitro Steel, for Deer, Dove & Quail, Pheasant, Turkey, Duck Hunting, Ducks, Goose Hunting, Geese, Snow Goose, Sea Ducks. (Slugs not to be used with UFO/TURKEY)   Muller Chokes is not responsible for incorrect choke selection. If you are unsure what choke your barrel takes, please check with a reputable gun smith.