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Patternmaster 12-Ga Code Black Duck Choke Tube, Browning Invector DS
$79.99
In stock at Gander Outdoors
on 5-4-2018.
BUY NOW
Product Description
Patternmaster is the world's only non-constrictive choke tube, achieving substantially more energy on target through the continued development of their patented wad-stripping technology. The secret is the studs inside Patternmaster. They slow the wad for a fraction of a second and as it pauses the shot charge leaves the barrel undisturbed by the wad and gasses. By taking the wad and gasses out of the equation, Patternmaster delivers beautiful, even, dense patterns with all loads and shot sizes. Patternmaster tubes are made of Carpenter Custom 630 (aircraft quality) 17-4ph stainless steel and are heat-treated to the optimum level for best performance.

Patternmaster's Code Black Duck tube will extend out the end of your barrel 1 inch and has an effective range out to 60 yards. You will see a patterns similar to a Full constriction choke on paper with a 2¾" or 3" shell and a Modified with a 3½" shell, 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. The Code Black tube can be used with steel or other non-toxic ammunition as well as lead 2¾", 3", or 3½" shells. Pick your favorite shot size to use, which can range from 8 to BB Non-Toxic/Steel and Lead 8 to 000 Buck. Code Black Duck tubes only come in a non-reflective bronze titanium coating and are ported.

Testing done by Ballistics Performance has determined that ammunition with velocity of 1550 fps and below will achieve the best results with Patternmaster Tubes. Not for use with ammunition containing flight control wad or slug ammunition.
Features
Type Browning Invector DS
Gauge 12
Model 5487
Finish Bronze Titanium