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December 17th, 2016

Tac Talk: Six Tactical Slings Reviewed by 6.5 Guys

6.5 Guys tactical precision sling review
Photo shows Precision Rifle Sling from Armageddon Gear.

A good sling is a vital accessory for a hunting or tactical rifle. Along with enabling over-the-shoulder carry, a good “tactical” sling will also provide support for shooting from hasty or improvised shooting positions. In fact, in many tactical/practical precision matches there will be at least one positional shooting stage or a stage where only a sling may be used for support (that means no bipod, no tripod, no sandbags, and no shooting sticks). The 6.5 Guys, Ed and Steve, recommend tactical slings that allow quick set-up and easy adjustment. The best slings allow shooters to quickly slip into them and then make rapid fine-tuning adjustments to build a stable shooting position.

Six Tactical/Practical Slings are Reviewed in this Video:

In this episode, Ed and Steve provide an overview and compare/contrast different designs and the functionality of six popular slings from these suppliers: Armageddon Gear, Tab Gear, Rifles Only, Hard Target Interdiction, Short Action Precision, and Accuracy International.

To learn more about tactical/practical shooting disciplines, or to access more shooting gear/accessories reviews by Ed and Steve, visit 65guys.com and subscribe to the 6.5 Guys’ YouTube Channel.

6.5 Guys Slings tactical

Video Tip from Boyd Allen. We welcome reader submissions.

Permalink - Videos, Tactical 3 Comments »
December 17th, 2016

How Brux Barrels Are Made — The Pursuit of Perfection

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. A few years back, Rodney Wagner shot the smallest five-shot, 600-yard group (0.336″) 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:

Brux Barrel-Making Process, Start to Finish

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.

Permalink Gunsmithing, Tech Tip 2 Comments »