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Birchwood Casey

Birchwood Casey 13125 Perma Blue Liquid Gun Blue 3 oz

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

Touches Up

Scratches and worn spots on

Can Completely

Reblue most guns

Produces Non-streaky,

Even blue-black finish on steel

Not Stainless

Steel, aluminum, or other non-ferrous

Liquid Gun

Blue formula

$10.99
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SKU: 13125-029057131253

Overview

Birchwood Casey Perma Blue Liquid Gun Blue is made for restoring the appearance of blued steel firearms by touching up scratches, worn spots, or refinishing most guns. It is intended for use on steel surfaces and is not suitable for stainless steel, aluminum, or other non-ferrous metals. The liquid formula is designed to leave an even, blue-black finish without streaking. For hunters and gun owners who maintain their firearms, it offers a straightforward option for cosmetic touch-up work.

Why Hunters Choose the Birchwood Casey

Touches Up

Scratches and worn spots on

Suitable Completely

Rebluing most guns

Produces Non-streaky,

Even blue-black finish on steel

Compact 3

Oz size for bench or

Clear Limitation:

Not for stainless steel, aluminum,

Key Features

  • Touches up scratches and worn spots on firearms.
  • Can completely reblue most guns.
  • Produces a non-streaky, even blue-black finish on steel.
  • Not for stainless steel, aluminum, or other non-ferrous metals.
  • Liquid gun blue formula.
  • 3 oz size.

Best Used For

  • Hunters maintaining steel firearms with scratches or worn blued areas
  • Owners needing a touch-up product for non-stainless steel gun finishes
  • Users planning to reblue most guns with a liquid application
  • Firearm owners seeking a compact 3 oz maintenance solution for the bench

Specifications

Blade FinishBlue-black
Not Suitable ForStainless steel, aluminum, non-ferrous metals
Product TypeLiquid Gun Blue
Streak FreeYes
Suitable ForSteel (except stainless)
UseTouch up scratches and worn spots; completely reblue most guns
Volume3 oz

Pros

  • Touches up scratches and worn spots on blued steel firearms
  • Suitable for completely rebluing most guns
  • Produces a non-streaky, even blue-black finish on steel
  • Compact 3 oz size for bench or shop use
  • Clear limitation: not for stainless steel, aluminum, or non-ferrous metals

Considerations & Trade-offs

  • Perma Blue is intended for steel surfaces and will not blue stainless steel, aluminum, or other non-ferrous metals, so material compatibility needs to be confirmed before use.
  • The product is designed for touch-ups and rebluing, which means results depend on the condition of the existing finish and the area being treated.
  • At 3 oz, this is a compact bottle suited to small repairs and occasional maintenance rather than large refinishing projects.

Suggested Comparisons

  • Gun cleaning and maintenance supplies
  • Gun finish touch-up products
  • Metal refinishing products
  • Firearm care kits

Suggested Accessories

  • Cleaning patches
  • Gun cleaning solvent
  • Applicator cloths
  • Protective gloves

Frequently Asked Questions

What is Birchwood Casey Perma Blue Liquid Gun Blue used for?

It is used to touch up scratches and worn spots, or to completely reblue most guns.

Will this product work on stainless steel?

No. The product description says Perma Blue will not blue stainless steel.

Can it be used on aluminum or other non-ferrous metals?

No. The source data states it will not blue stainless steel, aluminum, or non-ferrous metals.

What kind of finish does it produce on steel?

It is described as giving a non-streaky, even blue-black finish to steel.

How much product is included?

The listed size is 3 oz.