Is Prvi Partizan Ammo Corrosive? Facts & Myths


Is Prvi Partizan Ammo Corrosive? Facts & Myths

The question of whether ammunition manufactured by Prvi Partizan (PPU) employs corrosive primers is a common concern among firearm enthusiasts. Corrosive primers contain chemicals, such as potassium chlorate, that leave salts behind after firing. These salts attract moisture and can cause rust and pitting in the bore if not removed promptly. Non-corrosive primers, on the other hand, produce less residue and are generally considered safer for firearms in the long term.

Understanding primer corrosivity is crucial for proper firearm maintenance. Historically, corrosive primers were widespread due to their reliability and cost-effectiveness. However, with advancements in ammunition technology, non-corrosive primers have become the standard. Proper cleaning procedures after using ammunition with corrosive primers involve removing the residual salts with specialized cleaning solutions, followed by regular cleaning and lubrication. Neglecting this process can significantly reduce the lifespan and accuracy of a firearm.

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Is 7.62×39 Ammo Corrosive? Facts & Myths


Is 7.62x39 Ammo Corrosive? Facts & Myths

Certain surplus 7.62x39mm ammunition, particularly that manufactured in former Soviet bloc countries and China, utilizes primers containing corrosive salts such as potassium chlorate. These salts leave behind residue after firing that attracts moisture and can cause rust and pitting in the bore, gas system, and other firearm components if not promptly and properly cleaned.

Understanding the potential corrosiveness of some 7.62x39mm ammunition is crucial for maintaining firearm longevity and reliability. While modern, non-corrosive ammunition is widely available, surplus ammunition remains popular due to its cost-effectiveness. Historically, corrosive primers were common due to their reliable ignition and ease of production. However, the long-term damage they can inflict on firearms necessitates diligent cleaning practices. Failure to clean firearms after firing corrosive ammunition can lead to decreased accuracy, malfunctions, and potentially irreparable harm to the weapon.

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