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Description

The people at Patternmaster took a very close look at the issues associated with choking by constriction and came up with a solution. The Patternmaster choke tube. The way that the Patternmaster choke works is simple; the Patternmaster tube does not try to constrict the shot or pellets. Therefore, this reduces the long shot string or the funnel affect to about a 2 foot string. This gives you more concentrated shot in your pattern. The next issue was to keep the wad from effecting the shot pattern. Placing five square shallow studs inside the choke tube provided the desired effect. As the wad travels past the studs the base of the wad catches and hesitates for a microsecond giving the shot a chance to separate from the wad. The wad will exit the barrel! This separation allows all shot pellets to leave the cup at the same time. The result is a short shot string without a wad to blow through it. Patternmaster choke tubes keep their full pattern by encompassing the entire length of the wad while the shot is leaving. Therefore, the long range tube will encompass a 3” or 2 ¾” wad allowing for the full pattern. While an extended Patternmaster choke tube will encompass a 3 ½” wad while the shot is leaving. Shooting a 3 ½” shell through a long range tube will result in a modified pattern because the wad will be allowed to extend ½” beyond the end of the tube during the moment the studs are gripping the base of the wad. If you shoot a 3” or 2 ¾” shell through the extended tube you will still get a full pattern because the wad will be encompassed while the shot is exiting the tube. To get a more open pattern Patternmaster has designed a short range or over decoy tube. We have trimmed the front of the tube back closer to the studs to allow the wad to extend past the end of the tube and open up to spread the shot pattern to an improved modified pattern. We recommend using the short range tube inside 35 yards. We have been able to manipulate patterns without using constriction so all 12ga tubes will have approximately the same dimensions through the inside of the tube. Although, Patternmaster tubes will not preform as stated when using ammunition with velocity faster than 1550 fps. Ammunition running faster than 1550 fps may by-pass the studs all together for a reduction in performance patterns.

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