Pro-Shot Bio 4x is a non-toxic, biodegradable gun oil with 4x the lubricity of petroleum-based lubricants. Made from renewable vegetable oils, it reduces friction, prevents corrosion, and frees rusted parts.
Pro-Shot's Bio 4x represents a significant advancement in firearm maintenance. This non-toxic, biodegradable lubricant delivers superior performance while respecting both your health and the environment.
Superior Lubricity
Natural, Renewable Formula
Whether you're a competitive shooter, hunter, or casual enthusiast, Bio 4x delivers the performance you need without compromise. The one-ounce needle oiler format makes it ideal for field maintenance and detailed work on tight tolerances.