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Birchwood Casey

Birchwood Casey Perma Blue Paste Gun Blue 2 oz Tube, 13322

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

Touch-up Scratches

Worn spots on most guns

Can Be

Used to completely reblue most

Produces Non-streaky,

Even blue-black finish on steel

Metal That

Has been thoroughly cleaned and

Paste Formula

Darkens more slowly than Liquid

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SKU: 13322-029057133226

Overview

For hunters and gun owners looking to restore the appearance of steel firearms, this paste gun blue is intended for touching up scratches, worn spots, or rebluing a cleaned surface. It is formulated to produce an even, blue-black finish on steel, excluding stainless, when the metal has been thoroughly cleaned and is free of rust. Compared with the liquid version, the paste works more slowly, but it is described as building a denser finish. It is a practical option for maintenance work where a controlled touch-up is preferred over a quick color change.

Why Hunters Choose the Birchwood Casey

Suitable Touching

Up scratches and worn spots

Can Be

Used to completely reblue most

Produces Non-streaky,

Even blue-black finish on steel

Paste Formula

Builds up a denser finish

Metal That

Has been thoroughly cleaned and

Key Features

  • Touch-up scratches and worn spots on most guns
  • Can be used to completely reblue most guns
  • Produces a non-streaky, even blue-black finish on steel
  • Designed for metal that has been thoroughly cleaned and is free of rust
  • Paste formula darkens more slowly than Liquid Gun Blue
  • Builds up a denser finish than the liquid version

Best Used For

  • Touching up scratches and worn spots on cleaned steel gun parts
  • Rebluing most guns when a non-streaky blue-black finish is desired
  • Users who prefer a paste formula that darkens more slowly
  • Owners working on steel surfaces that are free of rust
  • Detail-oriented hunters maintaining a consistent finish on older firearms

Specifications

Applicationtouch up scratches and worn spots; reblue most guns
Blade Finishblue-black
Build Characterdenser finish
Compatible Materialsteel (except stainless)
Dryingdarkening Speedslower to darken than Liquid Gun Blue
Finish Characternon-streaky, even
Formpaste
Model Number13322
Surface Preparationthoroughly cleaned and free of rust
Upc29057133226
Volume2 oz

Pros

  • Suitable for touching up scratches and worn spots on many guns
  • Can be used to completely reblue most firearms
  • Produces a non-streaky, even blue-black finish on steel
  • Paste formula builds up a denser finish than the liquid version
  • Designed for metal that has been thoroughly cleaned and is free of rust

Considerations & Trade-offs

  • Designed for steel only; it is not intended for stainless surfaces.
  • The metal must be thoroughly cleaned and free of rust before use, so prep work is required.
  • Paste formula darkens more slowly than the liquid version, which can mean a longer application process.
  • It is described as a touch-up and reblueing product, so results depend on the condition of the existing finish and surface prep.

Suggested Comparisons

  • Gun cleaning and maintenance supplies
  • Firearm finish touch-up products
  • Metal bluing compounds
  • Gun restoration accessories

Suggested Accessories

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

Frequently Asked Questions

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

It is used to touch up scratches and worn spots or to completely reblue most guns. The product is intended for steel surfaces, except stainless steel.

Can this paste gun blue be used on stainless steel?

No. The product description says it gives a blue-black finish to steel except stainless.

Does the metal need any preparation before applying it?

Yes. The description says it works on metal that has already been thoroughly cleaned and is free of rust.

How does the paste version compare to the liquid version?

The paste is slower to darken than the liquid, but it is described as building up a denser finish.

What size is the product?

It is listed as a 2 oz tube.