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October 27th, 2016

No More Dirty Brass — How to Use Ultrasonic Cleaning Machines

Ultrasonic Cleaning RCBS Ultrasound .308 Winchester 7.62x51 brass casings

Do you have some old, tired brass that needs a thorough cleaning — inside and out? Consider using an ultrasonic cleaning machine. When used with the proper solution, a good ultrasonic cleaning machine can quickly remove remove dust, carbon, oil, and powder residue from your cartridge brass. The ultrasonic process will clean the inside of the cases, and even the primer pockets. Tumbling works well too, but for really dirty brass, ultrasonic cleaning may be a wise choice.

READ UltimateReloader.com Article on Ultrasonic Case Cleaning.

Our friend Gavin Gear recently put an RCBS Ultrasonic cleaning machine through its paces using RCBS Ultrasonic Case Cleaning Solution (RCBS #87058). To provide a real challenge, Gavin used some very dull and greasy milsurp brass: “I bought a huge lot of military once-fired 7.52x51mm brass (fired in a machine gun) that I’ve been slowly prepping for my DPMS LR-308B AR-10 style rifle. Some of this brass was fully prepped (sized/de-primed, trimmed, case mouths chamfered, primer pockets reamed) but it was gunked up with lube and looking dingy.”

UltimateReloader.com Case Cleaning Video (7.5 minutes):

Gavin describes the cleaning exercise step-by-step on UltimateReloader.com. Read Gavin’s Cartridge Cleaning Article to learn how he mixed the solution, activated the heater, and cycled the machine for 30 minutes. As you can see in the video above, the results were impressive. If you have never cleaned brass with ultrasound before, you should definitely watch Gavin’s 7.5-minute video — it provides many useful tips and shows the cleaning operation in progress from start to finish.

Ultra Dry Necks After Ultrasonic Cleaning — Some Suggestions
The Ultrasonic cleaning process gets cartridge brass so “squeaky clean” that increased force may be required to seat your bullets, or they may “grab” as they go in the necks. To reduce bullet-seating effort, you may benefit from adding a little dry case lube inside the case-neck before loading (use a nylon brush). Another trick is adding a teaspoon of Ballistol lube to the cleaning solution. That provides a trace lubricant inside the necks, but does not interfere with powder ignition in any way.


The RCBS ultrasonic cleaning machine features a large 3-liter capacity, 60 watt transducer, and 100 watt ceramic heater. The RCBS ultrasonic machine can be found under $140.00, and this unit qualifies for RCBS Rebates ($10 off $50 purchase or $50 off $300.00 purchase). RCBS also sells 32 oz. bottles of cleaning concentrate that will make up to 10 gallons of Ultrasonic Solution.

Permalink Gear Review, Reloading 4 Comments »
September 20th, 2013

New Ultrasonic Cleaning Machine from RCBS

Using ultrasound in a liquid solution, you can clean your cartridge brass inside and out. Ultrasonic cleaning is nothing new — we described this process years ago. But with the increased cost of brass, more and more shooters are turning to this effective process to get their cases clean.

Now RCBS offers an affordable Ultrasonic Cleaning Machine with some great features. The new RCBS machine boasts a 3-liter capacty, user-friendly keypad, and a built-in 100-watt heater with four settings. The unit also includes a handy drain valve and drain tube.

Ultrasonic cleaning works fast, without the long processing time (and dust) of conventional tumbling. Cleaning cases with ultrasonic machines has become very popular, as the ultrasonic process reliably removes caked-on carbon and grime from brass cases inside and out, even in the primer pocket. We do recommend that, after ultrasonic cleaning, you consider using a dry neck lube to restore lubricity to your necks for the first and second firings.

The new RCBS ultrasonic cleaner features a large 3-liter capacity, 60 watt transducer, and 100 watt ceramic heater. ‘Street Price’ for the RCBS ultrasonic machine is under $150.00, and this unit qualifies for RCBS Rebates ($10 off $50 purchase or $50 off $300.00 purchase). RCBS also sells 32 oz. bottles of cleaning concentrate that will make up to 10 gallons of Ultrasonic Solution.

RCBS ultrasonic cleaner cash rebate discount

Permalink Gear Review, New Product No Comments »
November 16th, 2012

New Hot Tub™ Ultra-Sonic Cleaning Machine from Hornady

Hornady has announced new products for 2013. These include a number of new bullets, along with new loaded rifle, pistol, and shotgun ammunition. Perhaps most interesting for precision reloaders is Hornady’s new jumbo Ultrasonic Cleaning machine (MSRP $658.33). Featuring a 9-liter capacity, the new Hornady Hot Tub™ is long enough to accommodate and clean a 16-inch AR-15 upper. Along with its large capacity, the Hot Tub has many advanced features.

Hornady Hot Tub Cleaner

New Large-Size Ultra-Sonic Cleaning Machine — the Hot Tub™
For 2013, Hornady will be offering a new, jumbo-sized ultra-sonic cleaning machine that can handle big parts and accessories. In addition to having four (4) transducers, there is also a heating element that enhances cleaning action. Hornady says that “the microjet action of the Hornady® Hot Tub™ removes carbon residue and other debris from cartridge cases, gun parts and other metal equipment.” We know that ultra-sonic cleaning works well on cartridge cases, provided you have a good machine, a suitable solution, and run the machine for an appropriate time.

Hornady Hot Tub Cleaner

The new Hot Tub is well-equipped out of the box. One 1.7 quart inner tank comes with the unit and can be used in the main tank for cleaning multiple smaller batches or to use separate solutions at the same time. Additional inner tanks can be purchased separately. Hanging cords have been integrated into the design to allow large objects to take full advantage of the ultrasonic energy. Additionally, the Hot Tub® features integrated drain pans in the lids, a small parts basket, a degas function and five (5) temperature settings from 100-140°F.

Hornady Hot Tub Cleaner

Watch Video to See Hornady Hot Tub Ultra-Sonic Cleaning Machine in Action

Hornady Hot Tub Cleaner

Permalink - Videos, New Product 2 Comments »