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Birchwood Casey Fast-Acting Long-Lasting Perma Blue Paste/Liquid Gun Blue for Steel, Touch-Up & Complete Reblue

4.6 4.6 out of 5 stars 2,650 ratings

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2 FLOZ TUBE

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Brand Birchwood Casey
Included Components see descritption
Liquid Volume 2 Fluid Ounces

About this item

  • PROVEN WAY FOR TOUCHING UP - Birchwood Casey offers you the best ways to touch up scratches and worn spots or even completely reblue most guns. It will give a non-streaky, even blue-black finish to steel (except stainless)
  • FAST-ACTING - Both perma blue liquid gun blue and paste provide great blueing to metal that has already been thoroughly cleaned and is free of rust. Perma blue paste gun blue is slower to darken than liquid gun blue, but will build up a denser finish
  • HIGH-QUALITY - This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials
  • BEST SHOOTING GEAR - Since 1948, serious shooters, avid collectors and professional gunsmiths have relied on Birchwood Casey for shooting and gun care products; Birchwood Casey has pioneered innovative products with an unwavering dedication to quality
  • NOTE - Birchwood Casey Perma Blue liquid gun blue will not blue stainless steel, aluminum or non-ferrous metals. Can be applied with swabs (Q-Tips). No heat is required. Excellent for touch up or complete regluing
  • 2oz net wt
  • Squeeze Tube (Paste)

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From the manufacturer

Birchwood Casey
birchwood casey
birchwood casey birchwood casey birchwood casey birchwood casey birchwood casey birchwood casey
PRESTO GUN BLUE TOUCH-UP PEN ALUMINUM BLACK TOUCH-UP PEN SUPER BLACK TOUCH-UP PEN (GLOSS BLACK) SUPER BRIGHT PEN KIT (GREEN, RED & WHITE) BRASS BLACK TOUCH-UP 3 OUNCE BRASS BLACK TOUCH-UP 32 OUNCE
Customer Reviews
4.4 out of 5 stars
651
4.0 out of 5 stars
1,775
3.7 out of 5 stars
891
3.7 out of 5 stars
1,912
4.5 out of 5 stars
1,167
4.5 out of 5 stars
1,167
Penetrates hard steel instantly and gives a durable blue-black finish that won't rub off Aluminum black is now in an easy to use pen applicator. Aluminum black restores scratched and marred areas quickly ouch-Up pens will help you to completely renew and restore deep scratches or worn areas These pens provide a fast and easy way to touch-up chipped, dull or scratched sights Fast-acting liquid used by gunsmiths and industry to blacken or antique brass, copper and bronze parts Fast-acting liquid used by gunsmiths and industry to blacken or antique brass, copper and bronze parts
birchwood casey birchwood casey birchwood casey birchwood casey birchwood casey birchwood casey
PERMA BLUE LIQUID GUN BLUE 3 OUNCE PERMA BLUE PASTE GUN BLUE 2 OUNCE TUBE SPANISH PERMA BLUE LIQUID GUN BLUE 90 ML PRESTO MAG LIQUID GUN BLUE 3 OUNCE PERMA BLUE LIQUID GUN BLUE FINISHING KIT ALUMINUM BLACK TOUCH-UP
Customer Reviews
4.6 out of 5 stars
2,650
4.6 out of 5 stars
2,650
4.4 out of 5 stars
711
4.6 out of 5 stars
710
4.6 out of 5 stars
3,493
4.5 out of 5 stars
3,892
It will give a non-streaky, even blue-black finish to steel (except stainless) Perma blue paste gun blue is slower to darken than liquid gun blue, but will build up a denser finish It will give a non-streaky, even blue-black finish to steel (except stainless) Presto mag gun blue is a cold blue formulation that works on all steel (except stainless steel) Easy to use, all-inclusive kits are the proven way to touch up or completely reblue most guns Restores scratched and marred areas quickly. Fast-acting liquid is easy to apply with no dimensional change
birchwood casey

Product Description

BIRCHWOOD CASEY PERMA BLUE LIQUID GUN BLUE/PASTE GUN BLUE Make your gun like new with our Birchwood Casey Perma Blue Paste Gun Blue/Liquid Gun Blue. Birchwood Casey Perma Blue Paste/Liquid - Birchwood Casey offers you the best ways to touch up scratches and worn spots or even completely reblue most guns. It will give a non-streaky, even blue-black finish to steel (except stainless). Both Perma Blue Liquid Gun Blue and Paste Gun Blue provide great bluing to metal that has already been thoroughly cleaned and is free of rust. Perma Blue Paste Gun Blue is slower to darken than Liquid Gun Blue, but will build up a denser finish. The best way to touch up scratches and worn spots on a blued barrel. BIRCHWOOD CASEY Since 1948, serious shooters, avid collectors and professional gunsmiths have relied on Birchwood Casey for shooting and gun care products; Birchwood Casey has pioneered innovative products with an unwavering dedication to quality.

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Birchwood Casey Fast-Acting Long-Lasting Perma Blue Paste/Liquid Gun Blue for Steel, Touch-Up & Complete Reblue


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Important information

Legal Disclaimer

This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Customer reviews

4.6 out of 5 stars
4.6 out of 5
2,650 global ratings

Customers say

Customers like the quality and ease of use of the product. They mention that it works well for small touch-ups and areas where bluing has worn off. They also like the appearance. However, some customers differ on blueing, durability, darkness, and value.

AI-generated from the text of customer reviews

245 customers mention234 positive11 negative

Customers are satisfied with the quality of the product. They mention that it works well for small touch-ups and renewing old firearms. It imparts a deep, blue color that holds up well. Some mention that the product is easy to apply and looks nice. Overall, most are happy with their purchase and recommend it to others.

"This stuff works great on my gun and makes the blue look so good and new again, Great price and fast shipping." Read more

"I was surprised it worked as well as it did. Easy to use." Read more

"This works okay. Not as dark as I would have liked. I used it on a damaged shotgun barrel I had to cut a couple of inches off of...." Read more

"Used this on a ratchet rebuild on a Snap-On tool. Works great." Read more

87 customers mention73 positive14 negative

Customers like the appearance of the product. They say it provides a rich, blue finish that looks great after rubbing it on. Some customers also mention that it's the absolute best touchup/cold blue on the market. Overall, customers are satisfied with the appearance and performance of the touch-up.

"This stuff works great on my gun and makes the blue look so good and new again, Great price and fast shipping." Read more

"...coating of 3in1 oil and let it sit overnight, which gave it a fantastic finish and cleaned up quickly and easily...." Read more

"I’ve been using this product for decades. It is the absolute best touchup/cold blue on the market. Buy some." Read more

"...End result is nice and smooth, not sticky, and not thick. Color is brown/bronze with this product when applied over bare (scuffed) steel." Read more

76 customers mention73 positive3 negative

Customers find the product easy to use. They say it works fast, is simple, and adds a great protective layer. Customers also say the instructions are good, and the product is easy to reapply. They mention that the paste is very easy to apply precisely, and convenient.

"I was surprised it worked as well as it did. Easy to use." Read more

"Good product, easy to apply. Works great for touchups." Read more

"Gel formula from tube is easily applied with small paint brush. It stays where you put it. I used a heat gun each time to dry it faster...." Read more

"...The paste aspect makes application much easier than a liquid. Also easy to wash off when complete. It's cheap -- try it out...." Read more

18 customers mention18 positive0 negative

Customers like the touch up. They mention it's a good product for touch up purposes, great for small touch ups, and areas where bluing has worn off. It's also good for light touch-ups and lightly blued. It is easy to use and great for smaller projects and touch up, but not for large areas. However, it requires a lot of effort to put in to achieve good results.

"...Still a good product for touching up, just not as good as I had hoped. Prepare to reblue after some handling and use a rust preventative." Read more

"...This is beneficial for touch up when you need to match the old color or to achieve just the right amount of bluing you're aiming for. Great product." Read more

"I really recommend this product. It is great for touch ups or even giving a firearm a good basic bluing...." Read more

"...Good for touch ups and for restoring old guns." Read more

45 customers mention30 positive15 negative

Customers are mixed about the value of the product. Some mention it's great for the price, while others say it'll waste your money.

"...great on my gun and makes the blue look so good and new again, Great price and fast shipping." Read more

"...Still a good product for touching up, just not as good as I had hoped. Prepare to reblue after some handling and use a rust preventative." Read more

"...Also easy to wash off when complete. It's cheap -- try it out. If you don't like the finish you can always use Evaporust to remove it and start over." Read more

"Fast service and at a competitive price point" Read more

24 customers mention16 positive8 negative

Customers are mixed about the durability of the product. Some mention that it holds up well on the bare metal, while others say that it doesn't last for a long time.

"...a couple of applications, I found that this process does well and will be durable because it provides some penetration of the steel." Read more

"...very fine (0000) steel wool it imparts a good, deep, blue that holds up well if oiled. Good for touch ups and for restoring old guns." Read more

"...UPDATE 10/3/11: After a few months this stuff is not holding up. The bluing wears easily and cannot be handled frequently...." Read more

"...Turns out it’s super simple and adds a great protective layer." Read more

18 customers mention7 positive11 negative

Customers are mixed about the darkness of the product. Some mention that it turns ferrous metals black, while others say that it didn't darken the metal at all. Some say that the product makes clothes and gloves very dark, while other say that they found uneven darkening in their work.

"This works okay. Not as dark as I would have liked. I used it on a damaged shotgun barrel I had to cut a couple of inches off of...." Read more

"...Within seconds, the bare metal turned a nice black. Just what I wanted...." Read more

"...was particularly important in the later stages when I found uneven darkening in my work. More on that later.)..." Read more

"...Very handy.To my surprise it also darkened some stainless steel parts I had though the label says it won't work on stainless...." Read more

15 customers mention10 positive5 negative

Customers are mixed about the bluing. Some say it works to restore bluish, while others say it's very weak and comes off. Some mention it'll blue up nicely, while other say it looks patchy.

"It does restore bluing to worn spots but you have to eave it on at least twice as long as recommended" Read more

"easy to use. blued my parts on first try. after waxing the parts, looks Ok." Read more

"This is a better solution for touch up bluing. Apply 7-8 coats on a heated steel ( use hair dryer for 2-3 mins ) ...." Read more

"This bluing agent works great. It turns ferrous metals black, not really blue...." Read more

Works and looks great!!!!!!!
5 Stars
Works and looks great!!!!!!!
I used this Perma Blue paste to coat a vintage York Barbell. I used hardly any of the tube to cover about 4 feet of 1-1/16" bar with 4 or 5 coats. Key points to remember, first, get the base metal clean and scuffed uniformly! Any dark spots, discolorations, or deep sand scratches will stand out. Secondly, HEAT THE METAL! It's actually better if your surface is NOT hot, just warmed up slightly (let's say 110-120 degrees, warm to the touch). You could even leave your part in the sun for a few minutes to warm up. Get it too hot and the paste will dry quickly, be uneven, and come off in chunks (rather than allow you to spread it easily over the surface). Similar to you trying wax your car on 110 degree day in the direct sun. No good! FYI, I used acetone to clean the barbell before applying the first coat (and in between coats). First coat goes on a little uneven and blotchy. I let it setup for a minute or so, then rinsed the part off with water and a clean towel. You'll want to lightly scuff the part with a scotchbrite pad between coats (maroon worked good for me), after rinsing the previous coat off. I used a propane torch to heat my base metal back up to slightly warm (move quickly!!), then wiped it off with acetone/clean rag seconds before applying the next coat. Open flame may not be the best idea, but it worked flawless for my situation....just don't light your acetone rag on fire! Heat gun would be better for coating an actual firearm.Repeat the above process until you're happy with the color. The finished product will be evenly coated. You need to rinse it (obviously don't scuff it after the final coat!). End result is nice and smooth, not sticky, and not thick. Color is brown/bronze with this product when applied over bare (scuffed) steel.
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Top reviews from the United States

Reviewed in the United States on March 8, 2024
Style: 3 FLOZ BOTTLEVerified Purchase
Reviewed in the United States on February 18, 2024
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Reviewed in the United States on March 8, 2024
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Reviewed in the United States on March 6, 2024
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Reviewed in the United States on June 30, 2011
Style: 3 FLOZ BOTTLEVerified Purchase
24 people found this helpful
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Reviewed in the United States on June 4, 2021
Style: 2 FLOZ TUBEVerified Purchase
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5.0 out of 5 stars Works and looks great!!!!!!!
Reviewed in the United States on June 4, 2021
I used this Perma Blue paste to coat a vintage York Barbell. I used hardly any of the tube to cover about 4 feet of 1-1/16" bar with 4 or 5 coats. Key points to remember, first, get the base metal clean and scuffed uniformly! Any dark spots, discolorations, or deep sand scratches will stand out. Secondly, HEAT THE METAL! It's actually better if your surface is NOT hot, just warmed up slightly (let's say 110-120 degrees, warm to the touch). You could even leave your part in the sun for a few minutes to warm up. Get it too hot and the paste will dry quickly, be uneven, and come off in chunks (rather than allow you to spread it easily over the surface). Similar to you trying wax your car on 110 degree day in the direct sun. No good!

FYI, I used acetone to clean the barbell before applying the first coat (and in between coats). First coat goes on a little uneven and blotchy. I let it setup for a minute or so, then rinsed the part off with water and a clean towel. You'll want to lightly scuff the part with a scotchbrite pad between coats (maroon worked good for me), after rinsing the previous coat off. I used a propane torch to heat my base metal back up to slightly warm (move quickly!!), then wiped it off with acetone/clean rag seconds before applying the next coat. Open flame may not be the best idea, but it worked flawless for my situation....just don't light your acetone rag on fire! Heat gun would be better for coating an actual firearm.

Repeat the above process until you're happy with the color. The finished product will be evenly coated. You need to rinse it (obviously don't scuff it after the final coat!). End result is nice and smooth, not sticky, and not thick. Color is brown/bronze with this product when applied over bare (scuffed) steel.
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One person found this helpful
Report

Top reviews from other countries

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Hassan Cheema
5.0 out of 5 stars Bought as a tester, this is my new go-to.
Reviewed in Canada on March 7, 2024
Style: 3 FLOZ BOTTLEVerified Purchase
Aaron
5.0 out of 5 stars Good product
Reviewed in Canada on March 21, 2023
Style: 2 FLOZ TUBEVerified Purchase
Marco Antonio Moreno Rubio
5.0 out of 5 stars Fácil de usar
Reviewed in Mexico on November 22, 2019
Style: 2 FLOZ TUBEVerified Purchase
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Marco Antonio Moreno Rubio
5.0 out of 5 stars Fácil de usar
Reviewed in Mexico on November 22, 2019
Fácil de aplicar y no se cupa gran cantidad a mi parecer
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ALMAR COMPUTERS
5.0 out of 5 stars Good product
Reviewed in Canada on October 26, 2023
Style: 3 FLOZ BOTTLEVerified Purchase
M. Smith
5.0 out of 5 stars Blued
Reviewed in Canada on December 28, 2020
Style: 2 FLOZ TUBEVerified Purchase