Patternmaster 20ga HP A-400 CODE BLACK DUCK




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CODE BLACK DUCK tubes will extend out the end of your barrel 1”. You will see patterns similar to a full constriction choke on paper, but because of the patented “stud ring” inside the tube, there is a much shorter shot string. This shorter shot string will allow more shot on target all at once, so your down range energy is sure to kill instead of cripple.

*For best results, Ballistic Performance, LLC, recommends ammunition velocities below 1550fps.