How Brux Barrels are Made — Precision Start to Finish
Brux Barrels, based in Lodi, Wisconsin, has earned a reputation for producing great-shooting tubes. Brux-made barrels have won their fair share of matches, and set some notable records in the process. Last year, Rodney Wagner shot the smallest five-shot, 600-yard group (.0349″) in the history of rifle competition, using a Brux barrel chambered for the 6mm Dasher.
Folks often ask us why Brux barrels shoot so well. “What’s the secret?” they ask. We can only answer with what Brux explains on its own website: “To make a cut-rifled barrel you have to start off with the proper ingredients: the best steel available, skill, and experience. Since there are really only two main suppliers of barrel-quality steel, the skill and experience is what really makes a barrel maker stand out.” Here is how Brux’s co-owners, Norman Brux and Ken Liebetrau, explain all the procedures involved in making a Brux cut-rifled barrel:
We start out with either 4150 chrome-moly or 416R stainless steel double stress-relieved bar stock. The bar stock starts out at 1-9/32″ in diameter and 20-24 feet long so we cut it to length. Step two is to rough-contour the outside of the barrel blank in a lathe. Thirdly, the blank gets mounted into a Barnes gun drill. The cutter bit has holes through which oil or coolant is injected under pressure to allow the evacuation of chips formed during the cutting process. This is called “oil-through” or “coolant-through”. Without this, you wouldn’t want to even attempt drilling a hole 30” long and under ¼” in diameter. The combination of a 3600rpm and good flushing allows us to drill a beautifully straight and centered hole .005” under “land” diameter at a rate of 1” per minute. Clean the barrel. Next the blank is sent back to the lathe to machine the finished contour of the outside. Clean the barrel again. Now, the blank is sent on to the Pratt & Whitney reamer in which an “oil through” reaming tool is used to cut away the extra .005” left in the drilling process. The reamer makes an extremely accurate bore size and after it is finished the bore will have a better surface finish and will be at the proper “land” diameter. Clean the barrel again. In the sixth step we hand lap each barrel to remove any slight tool marks that may have been left by the reamer and inspect every one with a bore scope. If the barrel doesn’t meet our standards for surface finish and tolerance it doesn’t get any further. Clean the barrel again. The barrels then go onto the rifling machine which is responsible for cutting the all so familiar grooves in the bore. A caliber/land configuration-specific rifling head is used to progressively shave away small amounts of steel to form the rifling grooves. This is accomplished by simultaneously pulling the rifling head through the reamed blank as the blank is spun at a controlled rate. After each cut, the blank is rotated 90 degrees (for a four-land configuration) and after one full rotation (360 degrees) the rifling head is slightly raised to shave off the next bit of material. This process is repeated until we reach groove diameter. Clean the barrel again. Lastly, the barrel is hand-lapped again (to ensure a smooth bore), and a final inspection is performed with the bore scope. The barrel is cleaned one last time, wrapped, packed, and shipped to [the customer]. |
Anyone reading this detailed description of the Brux barrel-making process will doubtless come away with a new appreciation for the time, effort, and dedication required to produce a premium match-grade cut-rifled barrel. Obviously, there are no easy shortcuts and great attention to detail is required each step of the way. As shooters we’re lucky that we have barrel-makers so dedicated to their craft.
Credit James Mock for steering us to this Barrel Making 101 feature on the Brux website.Similar Posts:
- How Primers Are Made — Start to Finish at Federal Factory
- How Brux Barrels Are Made — The Pursuit of Perfection
- Hornady Video — How Ammo is Made, Start to Finish
- How Suppressors Are Manufactured — Start to Finish Video
- Cut-Rifled Barrels — Video Shows How Krieger Barrels Are Made
Share the post "How Brux Barrels are Made — Precision Start to Finish"
Tags: Bartlein Barrel, Brux Barrel, Cut Rifling, James Mock, Krieger Barrel, Norman Brux
That is a pretty serious process. It would be cool to see a time lapse video of the production of one of their barrels.
I have shot Brux barrels for years, most of them are finished for my point blank NBRSA/IBS Benchrest rifles. Still to this day, I usually have someone ask what barrel I am shooting, and I tell them its a Brux, they say that they have never heard of it. (Just the opposite for my 600 yard gun.) I know that I have sold a few Brux barrels, to point blank shooters after they see how well mine have been shooting. I am still surprised that Brux has not caught on in point blank shooting. I think Brux needs to do a bit of advertising in this area. With that all said Brux barrels are GREAT!
I love my Brux barrels, they shoot great and clean easy. Also, i think you meant Rodney shot a .349″ group, not .0349″.
When you think about all the processes that go into making barrels from precision barrel makers, the $320.00 or so that we pay at retail is a bargain!
Well this does it. This article will open Ken and Norm up so everyone knows they have one of the greatest barrels available.
I met them at the 2009 F-Class Nationals and was impressed enough to buy four barrels on the spot. I have used three dozen of them on projects for myself and other shooters. The shoot and clean method of Barrel break in only takes a round or two with a Brux. They are polished like a jewel inside.
What this article doesn’t talk about is the personal service you get when you call Brux Barrels. I have talked to both Norm and Ken on the phone. It is a real surprise when one of them calls you to confirm an order that they are working on.
So with this article, they will be 9 to 12 months out along with Bartlein and Krieger!!!
I think Rodney’s group was finally verified at .336 by the IBS
All of the above is true! Great service, top quality barrels and competitive pricing make Brux Barrels one of the best values on the market. My smith told me he had never seen a straighter .224 barrel. You should see it shoot! Gonna buy more of them!!!
In the 6 years I ran Center Shot Rifles, I used 90% Brux barrels. Out of the 400 or so Brux barrels I used, I only had barrel related accuracy issues with 2 of them. Both of these were sub 3/4 moa and would give the occasional 1/2 moa groups. Not what my customers expected or paid for. Ken replaced them both no questions asked, and the replacements were solid 1/4-1/2 moa performers. One was a 6.5 win mag on a #4 and the other was a 7mm rem mag on a #5. With quality that high it was the obvious choice for me. Thank You Ken and Norm.