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SOURCE: Brush Research Manufacturing
Brush Research Manufacturing (BRM) demonstrates that gunsmiths prefer ball hones for surface finishing firearms. BRM cylinder hones are the gunsmith's tool of choice for honing shotgun forcing cones, shotgun barrels, and chambers.
Los Angeles, CA (PRWEB) March 19, 2013
Brush Research Manufacturing (BRM), makers of cylinder honing tools for firearms, is proving that gunsmiths prefers BRM ball hones for surface finishing shotgun forcing cones. BRM’s Flex-Hone® for Firearms is the honing tool of choice at Rifleshooter.com, a website with do-it-yourself (DIY) tips for shooters and hunters who want to learn more about rifles, shotguns, pistols, and ammunition.
Lengthening Shotgun Forcing Cones
In a recent article entitled “Lengthening a Shotgun Forcing Cone”, Rifleshooter.com explained why gunsmiths are using flexible hones to improve surface finish between the chamber and the bore. By forcing the shot or charge through a longer forcing cone, pattern density is increased. Shooters may disagree about the best forcing cone length, but longer is generally better. When the transition within a shotgun barrel is at a gentler angle, there’s also less recoil and less deformation of the shot pellets.
Forcing Cone Reamers and Cutting Oil
Lengthening a shotgun forcing cone requires both a forcing cone reamer and flexible honing tools. First, apply a coat of cutting oil to a forcing cone reamer. Next, secure the shotgun barrel in a vise and insert the reamer into the breach. Turn the barrel carefully, removing metal shavings and reapplying cutting oil as necessary. Once the forcing cone is cut, it’s time for honing. For best results, Rifleshooter.com recommends the Flex-Hone® tool, a ball hone made by Brush Research Manufacturing (BRM).
BRM Shotgun Hones
Brush Research provides three types of shotgun hones for smoothbores: shotgun barrel hones, forcing cone hones, and chamber hones. Use shotgun forcing cone hones after removing metal from the bore with a reamer. The Flex-Hone® for Firearms is a surface finishing tool and is not designed for heavy-duty material removal. Use BRM forcing cone hones with Flex-Hone® oil, too. This blend of honing and lapping oils includes a moisture-dispersant and additive that keeps metal shavings in suspension.
How to Choose BRM Gun Hones
BRM shotgun forcing cones are 10” long and feature a 1-5/8” silicon carbide (SC) abrasive. Depending on your smoothbore, choose a 12, 16 or 20 gauge (GA) cylinder honing tool. Finally, specify 180, 400, or 800-grit. Rifleman.com used a medium-grit flexible hone and then a fine-grit forcing cone hone. Because the Flex-Hone® for Firearms is built with a metal stem, BRM ball hones can be used with a handheld electric drill. Use the medium-grit hone first, clean the slurry from the barrel, and then use the fine-grit cylinder hone. Inspect the shotgun barrel’s surface every few strokes, and never over-hone.
The Flex-Hone® for Firearms
All Flex-Hone® for Firearms tools quickly and easily produce the optimum surface finish. By using a low-temperature, low-pressure abrading process, BRM gun brushes also produce a long-wearing surface every time. These high-quality surface finishing tools also keeps shotgun bores at the precise dimensions required.
About Brush Research Manufacturing
Brush Research Manufacturing (BRM) is a Made in the U.S.A. manufacturer located in Los Angeles, California. Since 1958, BRM has been solving difficult finishing problems with brushing technology. BRM’s Flex-Hone® tool is the standard against which all other surface finishing tools are compared.
Director of Marketing
Brush Research Manufacturing Co. Inc.
4642 Floral Drive
Los Angeles, CA 90022
For Immediate Release:
Ph: (323) 261-2193
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