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Flexible hones impart the optimum
surface finish to any type or size cylinder, chamber, slide, magazine tube, or
smoothbore barrel. These gunsmith tools from Brush Research Manufacturing (BRM)
refine the raised areas or "peaks" that can interfere with proper firearms
functioning. They also produce oil-retaining "valleys" that improve a metal
surface's ability to retain oil. The plateau
finish that flexible honing imparts doesn't remove significant amounts of
material, however. In this way, flexible hones improve surface finish while
keeping the bores of your firearms at their precise dimensions.
Flex-Hone tools for Firearms are available
for pistols, revolvers, rifle chambers, smoothbore shotguns, and even paintball
guns. At SHOT Show 2015 in Las Vegas last week, the BRM technical team talked
to shooters, hunters, gunsmiths, and firearms manufacturers who wanted to learn
more about our Made in the USA gunsmithing tools. As a full-line supplier of
surface finishing solutions, BRM enjoys describing the benefits of Flex-Hone technology. At
the same time, there's no substitute for what Flex-Hone for Firearms users say
about our products. Here are two success stories about BRM's rifle chamber
hones.
Polishing AR-15
Chambers
On the Guns Magazine website,
an article entitled AR-15 Building Tools - Part II described what a shooter
called "handy" items for firearms maintenance. The list included rear-sight
spring tools, a bolt disassembly fixture, and a front takedown pin detent
installer. The gunsmith also emphasized the importance of polishing AR-15
chambers to ensure that spent cartridge cases eject properly. The gun tool he
mentioned by name was the Flex-Hone for Firearms.
Self-centering,
self-aligning to the bore, and self-compensating for wear, flexible honing
tools feature abrasive globules or balls that are permanently bonded to
flexible nylon filaments. In the case of AR-15 chambers, the Flex-Hone for Rifles safely removes residues, machining marks, corrosion,
oxidation, and surface imperfections. BRM's rifle chamber hones have a 1-5/8"
silicon carbide (SC) abrasive part and come in overall lengths (OALs) of 6, 8,
12, and 14 inches.
Maintaining U.S. Model
of 1917 Firearms
According to the U.S. War Department's Basic Field Manual of 1942, the chamber of the M1917 Enfield rifle
"must be cleaned as thoroughly as the bore" because "a rough chamber may cause
shells to stick." The Flex-Hone for Firearms wasn't invented back then, but
that didn't stop a gun blogger from using a modern-day rifle tool with a U.S.
Model of 1917 Enfield Rifle. Unable to remove rust and residue with a chamber
brush, the gunsmith tried flexible honing.
Later, while updating readers about this
firearms restoration project, the gun blogger reported that that the M1917 rifle's rounds
now "ejected like butter". Firearms manufacturers often use Flex-Hone
tools with production equipment, but the gunsmith chucked the mandrel of this flexible
hone into a handheld electric drill. With the receiver and the chamber clamped
in a vice between two wooden blocks, honing the rifle chamber for about a
minute did the trick. "This works!!!", the gun specialist explained.
Share Your Story
Have you used Flex-Hone for Rifles tools
to remove tool marks, residues, build-ups, or corrosion from rifle chambers? What
was your experience like, and which types of long guns did you maintain? Even
if you didn't get a chance to visit us at SHOT Show 2015, we'd like to hear
your story. BRM's technical team can also provide you with information and
advice to supplement blog entries like this. Watch our Flex-Hone for Firearms Instructional Video, too.
Author's Note: This CR4 blog entry
originally appeared in the BRM
Flex-Hone Blog.
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