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Proudly Made In The USA

Find the right tube for your gun!

The Science of Shot


The Science of Shot is our way of saying that we are different. Patternmaster is the world’s only non-constrictive choke tube. Patternmaster is able to achieve substantially more energy on target through the continued development of our patented wad-stripping technology. Our most integral key to success is our stud ring. The exact placement of this stud ring within the tube stops the wad for a millisecond but allows the shot to continue without impediment. By stopping the wad, even for a split second, we are able to tighten the shot string as much as 80%. This enables our hunters to achieve mind-blowing accuracy and truly superior knock down power at distances most would think impossible.

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.

Our patented Stud Ring™ is in all Patternmaster Classic tubes and Code Black Duck, Goose, Upland, Decoy, Timber, and Big Games tubes.

What makes a Patternmaster Tube


SecureFit threading provides tight fitting with zero pressure.

Made of aircraft quality 17-4 stainless steel heat treated to the optimum level for maximum durability.

threading steel ring porting

Stud Ring that holds the wad cup for a fraction of a second to create the tightest and densest patterns.

Ported to reduce recoil and muzzle jump

All with a heat treated and titanium coating to strengthen the steel.

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In The Field