"This will be my third AR build, but my first ultra-precision build. The project has just started and though (...) I was formerly going with Proof Research, I was sold on your technology when I saw it at SHOT 2017, and after seeing your genius Charlie Tarac featured on "Mark and Sam After Work" on YouTube." – David
|Application||Sniper, special forces, ELR, precision and competition shooters|
|Material||416R Stainless Steel with 5C ® process|
|Calibers||.224, .243, .257, .264, .270, .284, .308, .338, .375, and 50 cal|
|Barrel Manufacturer||Broughton Barrelsor BYOB (bring your own barrel)|
|Compatible BYOBs||Ruger, Savage, Krieger, etc.|
|BYOB Requirements||See Detailed Intelligence|
|Finish||None or add-ons|
|Add-ons||Falling angel or spiral, sandblasted, and or hard anodize|
|Hard anodize colors||Matte gray, black, or Army green|
|Weight||~ 0.24lb per inch (may vary according to barrel length and selected add-ons)|
Overview of Structured Barrels
Structured Barrels are a large diameter eight-hole hyper rigid barrel that have virtually no barrel whip. The Structure reinforces the main chamber (with "I-Beams") and creates over 300% more surface area for rapid (convection or forced) cooling.
No barrel whip
Structured Barrels have virtually no barrel whip. Comparable to wrapping your standard barrel in a series of I-beams, Structured Barrels do not flex, bend, or undergo sinusoidal twisting.
Physics in our favor
Structured Barrels take advantage of a physics principle called axial compression; a tube is always stronger than a solid rod of equal size and mass. Inherently, the hole pattern prevents barrel whip (or any sinusoidal twisting) because each hole acts as a tube. Tubes are great for resisting tension / compression forces, and our barrels have eight of them surrounding the bore all acting like I-Beams. When one hole in the pattern begins to "bend", one side of that hole goes into tension and the other into compression. This triggers the opposing hole, opposite of it in the hole pattern, to undergo compression and tension, 180 degrees out of sync. The opposing forces cancel out and the barrel does not undergo "whip."
A barrel that acts like a heat sink
The Structure pattern also creates over 300% more surface area than a standard barrel for cooling. The high surface area to volume ratio makes Structured Barrels act like a heat sink, pulling heat away from the chamber. Breather ports near the barrel's throat work in conjunction with the multi-bore design to induce convection cooling, as well as forced cooling.
Structured Barrels are sub half MOA (or quarter depending on the shooter) with 168, 175, 180, 190, 200, 210, 215, 225, and 230 gr bullets (all from the same barrel.) Each barrel having the unique quality of shooting vertical strings as you change rounds. Essentially, you will never change your horizontal impact position (< 0.5 MOA left to right no matter the grain or load).
Structured Barrels weigh approximately 0.24lb per inch.
IMPORTANT: Reference only as actual weights may vary.
|Barrel Length (in)||Weight (lb)|
Each barrel tips the scale at around 15lb before Structuring. Our process ensures you get the proven benefit of increased accuracy from a "heavy" barrel without the weight.
If you are not satisfied with the results in the first 30 days, and our Structured Barrel does not perform to our expectations, we will buy it back. Yes, we are that confident.
Phone: +1 (630) 251-8919 Email: email@example.com PO Box 268 Sheridan, IL 60551
Copyright © 2016 - 2017 TACOMHQ, Inc.
Structured Barrels will work with any gun, even with an AR (adapter required), and bringing your own barrel will qualify you for a $400 discount.
|Caliber||Outer Diameter (in)|
|> .308 < .338||1.625|
"Barrel whip" is the movement from a barrel's "static" state into a vibrational arc (or "sinusoidal twist") from the bullet. The intense heat generated from the burning powder inside the gun barrel along with the intense pressure wave each produce unique vibrational patterns with different frequencies, and all of these movements, if not controlled, a bullet will exit the muzzle at slightly varying points on this vibrational arc.
This can result in inconsistencies when you shoot down range. Due to the fact these vibrations are circular, most (three round) groups are triangular in shape and not a vertical string. This is why "heavy" barrels seem to be more accurate and are easier to tune because they are not as susceptible to the circular vibrations.
Experienced shooters learn loads must be "tuned" to a barrel as each barrel have a personality, and those with chronographs generally find a load for the "sweet spot." The "sweet spot" (while highly debated and theorized) refers to the load and bullet velocity that matches a barrel's vibrational arc and wave amplitude. Up to present day, "whip" or "harmonics" has become an accepted standard, and shooters try to "tune" barrels and loads as an alternative.
The solution is our Structured Barrel. By taking advantage of an underline physics principle called axial compression (a tube is always stronger than a solid rod of equal size and mass) when one hole in the pattern begins to "bend", one side of that hole goes into tension and the other into compression. This triggers the opposing hole, opposite of it in the hole pattern, to undergo compression and tension, 180 degrees out of sync. The opposing forces cancel out and the barrel does not undergo "whip."
Starting Price $1440
Your Price $1240
You Save $200
David Tubb Approved
No Barrel Whip