Patternmaster Code Black Turkey Choke Tube Benelli, Beretta Mobilchoke 20 Gauge .565" Constriction

Patternmaster Code Black Turkey, Benelli/Beretta Mobil Choke 20ga .565. Patternmaster is the world's only non-constrictive choke tube. Patternmaster is able to achieve substantially more energy on target through continued development of their patented wad stripping technology. The most integral key to success is the stud ring. The exact placement of the stud ring within the tube stops the wad for a millisecond but allows the shot to continue without impediment.Specifications and Features:Approved for Steel Shot: NoCartridge: 20 GaugeConstriction: .565"Extended: YesFinish: BronzeMaterial: Stainless SteelPorted: YesRifled: NoThread Pattern: Benelli, Beretta Mobilchoke