Ostermayer Hunting Gun Deruster
For Use in Immersion Baths
The Ostermayer Hunting Gun Deruster is specifically formulated to effectively remove rust and corrosion from firearm parts.
It also completely strips existing bluing, making it an ideal preparation step before refinishing or re-bluing.
✅ Key Features
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Reliably removes rust and corrosion from gun parts
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Fully removes old bluing – perfect for refinishing projects
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Easy to use in a warm or hot water bath
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Suitable for steel parts prior to re-bluing or restoration
✅ How to Use
1️⃣ Dissolve the granulate thoroughly in warm or, ideally, hot water.
2️⃣ Fully immerse the parts you wish to derust.
3️⃣ Let them soak for several hours, until all rust is removed.
4️⃣ Rinse, dry, and proceed with bluing or protective oiling as needed.
✅ Ideal For
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Gunsmithing and restoration projects
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Preparing metal parts for re-bluing
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Hunters and shooters maintaining older firearms
✅ Ostermayer Hunting Quality
Developed for serious hunters, collectors, and gunsmiths who demand professional-level results when maintaining or restoring their firearms.
Our Gun Deruster delivers powerful, reliable performance in a user-friendly immersion bath format.