Boses Guns - Gunsmithing, Firearm Restoration & Firearm Repair
Gunsmithing, Repair & Restoration Services

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Bose’s Guns offers Heavy Zinc Phosphate Parkerizing Finishes. Parkerizing, or phosphate coatings, have been used for years in various forms due to their oil trapping, non-reflective characteristics when used in severe weather conditions. Typical Parkerizing finished color is dark gray but may vary based on the type of alloy in the steel. Color variations are achieved primarily by use of different lubricants such as Cosmoline, linseed oil, gun oil etc.

Bose's Guns also offers Manganese Phosphate Parkerizing Finish. This finish is one of the most durable in the industry. The manganese will give a coarser and more porous finish than other phosphates. This finish also meet standard mil-spec MILL-STD-171 for small arms finish. If extreme use is what you need this is the finish for your firearm.

Please review our Parkerizing pages by using the navigation to the left or if you have a question or cannot find a service. Please let us know.  Contact Us

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If you need gunsmithing tools, firearm cleaning supplies, reloading equipment and accessories at some of the best prices please visit our online store at


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