The Hornady Lock-N-Load Sonic Solution Quart (MPN 043355) is a specialised chemical concentrate engineered for ultrasonic case cleaners and rotary tumblers. Designed specifically for brass cartridge cases, this water-based, biodegradable liquid dissolves carbon buildup, primer pocket residue, light oxidation, and surface tarnish from internal and external surfaces without etching or embrittling the metal. It is supplied as a non-hazardous liquid concentrate that pairs with any standard ultrasonic cleaning unit, including 240V equipment certified for Australian reloaders.

Key Features

• Rapid Carbon Removal: Chemically lifts baked-on carbon fouling and primer residue to clear internal case bodies and primer pockets.
• High-Yield Dilution: Formulated for approximate 40:1 water-to-solution dilution ratios, yielding up to 64 cleaning cycles per bottle in compact ultrasonic tanks.
• Case-Safe Chemistry: Non-toxic, non-etching solution formulated to protect cartridge brass integrity over repeated cleaning cycles.
• Heated Tank Compatibility: Formulated to work in heated ultrasonic reservoirs operating between 50°C and 60°C for accelerated 5- to 30-minute wash cycles.

Specifications

• Volume: 1 US Quart / 32 fl. oz. (approximately 946 ml)
• Packaged Weight: ~1.05 kg to 1.1 kg (fluid weight ~0.95 kg)
• Manufacturer Part Number (MPN): 043355
• Equipment Compatibility: Ultrasonic cleaners (such as Hornady Lock-N-Load 1.2L or 2L units) and rotary tumblers
• Material Compatibility: Brass cartridge cases only
• Typical Yield: Up to 64 wash cycles

Who is the Hornady Lock N Load Sonic Solution Quart for?

• High-volume handloaders — requires an economical ultrasonic brass cleaning solution providing up to 64 wash cycles from a single 32 fl. oz. (approximately 946 ml) bottle to continuously process batches of fired pistol and rifle brass.
• Competitive target shooters — requires a non-etching ultrasonic brass cleaning solution packaged in a compact 1 US Quart (approximately 946 ml) volume that dissolves internal case carbon and primer pocket residue to maintain uniform case capacities.

Less suitable for: Handloaders seeking a mirror-like exterior shine (which requires a dry vibratory tumbler with treated organic media or a wet rotary tumbler using stainless steel pins), or anyone cleaning steel, aluminium, or blued firearm parts (which requires a dedicated gun-parts-safe ultrasonic cleaner formula).