Gun Cleaning & ChemicalsBrownellsSold by Brownells

Brownells

Rust Preventive No. 2(TM) - Rust Preventive #2, Spray Bottle, 16oz

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Neutralizes Fingerprints

Displaces moisture to help prevent

Formulated As

Gun oil and rust preventive

Designed Leave

Invisible film that protects and

Made Petroleum

Distillates, not a space-age chemical

Pump Spray

Bottle packaging for easy application

$36.99
View on Brownells

You'll be taken to Brownells to complete your purchase.

Hunter's Outpost earns a commission from affiliate links at no extra cost to you.

SKU: 083019016

Overview

This spray is designed for hunters and shooters who need practical rust protection for guns, tools, and machinery exposed to wet, cold, or changing conditions. It is formulated to neutralize fingerprints, displace moisture, and leave an invisible protective film while also providing lubrication. The blend is intended to work without gumming up in tight areas, making it a straightforward maintenance product for regular cleaning and storage routines. Packaged in a 16 oz spray bottle, it offers a convenient option for keeping equipment protected between outings.

Why Hunters Choose the Brownells

Neutralizes Fingerprints

Displaces moisture before rust can

Formulated Guns,

Tools, and machinery use

Leaves Invisible

Protective and lubricating film

Designed Not

To gum up in nooks

Supplied Handy

16 oz pump spray bottle

Key Features

  • Neutralizes fingerprints and displaces moisture to help prevent rust.
  • Formulated as a gun oil and rust preventive for guns, tools, and machinery.
  • Designed to leave an invisible film that protects and lubricates.
  • Made with petroleum distillates, not a space-age chemical.
  • Pump spray bottle packaging for easy application.
  • 16 fl. oz. spray bottle size.

Best Used For

  • Hunters storing firearms after wet-weather hunts and exposure to fingerprints
  • Shooters needing a spray-applied rust preventive for guns, tools, and machinery
  • Owners wanting moisture displacement and light lubrication without gum buildup
  • Field users looking for a rust preventive suited to harsh hunting and shooting conditions

Specifications

Container TypeSpray Bottle
Finish CompatibilityGun finishes and bluing
FormRust Preventive
IngredientsPetroleum distillates
Size16 fl. oz. / 473 mL
UseGuns, tools and machinery

Pros

  • Neutralizes fingerprints and displaces moisture before rust can start
  • Formulated for guns, tools, and machinery use
  • Leaves an invisible protective and lubricating film
  • Designed not to gum up in nooks and crannies
  • Supplied in a handy 16 oz pump spray bottle

Considerations & Trade-offs

  • Designed as a rust preventive and light lubricant rather than a dedicated cleaning solvent, so it may not replace a full maintenance routine.
  • The product is described as leaving an invisible film, which can be useful for protection but offers no visible coverage check.
  • It is formulated for guns, tools, and machinery, so users wanting a highly specialized firearm-only treatment may prefer a more purpose-specific option.
  • The spray bottle format is convenient for application, but it may not be ideal for those who prefer a wipe-on or dropper-style application method.

Suggested Comparisons

  • Gun cleaning and maintenance oil
  • Rust preventive spray
  • Firearm lubrication product
  • Tool and machinery protectant

Suggested Accessories

  • Gun cleaning cloths
  • Bore cleaning supplies
  • Gun storage case
  • Hunting gear organizer

Frequently Asked Questions

What is Rust Preventive No. 2 used for on firearms and gear?

According to the product description, it is formulated to neutralize fingerprints, displace moisture, and help prevent rust on guns, tools, and machinery.

Is Rust Preventive No. 2 safe for gun finishes and bluing?

The description says it is not a "space age chemical" that raises issues with gun finishes and bluing, and instead is a blend of petroleum distillates specially formulated for guns, tools, and machinery.

Does this product leave a heavy residue or gum up moving parts?

The description states that it leaves an invisible film and, unlike general purpose water-displacing rust proofers, it won't gum up in the nooks and crannies.

What size is the spray bottle version?

This listing is for the spray bottle in the 16 oz size. The specs also identify it as 1 pint (16 fl. oz./473 mL).

What kind of conditions is it intended for?

The product is described as having over 40 years of all-climate performance and as being intended to prevent rust in harsh hunting and shooting weather and locations.