Would it be good for coating the bare aluminum after milling an 80% lower?

I wouldn't use it. I use a heat black paint (like you would repaint a BBQ grill) heat the receiver spray at least 6 coats heating slightly between the coats then let set a week. Saturate in Brake Free CLP let set for 1 month then you have a factory coat that resist scratches. I use this method for all AK-47 metal parts as well. Just remember to use Brake Parts Cleaner on the metal before painting to clean any oil even fingerprints off the bare metal.

Can this be used to touch up black anodized aluminum? Will it harm the surrounding anodized areas?

Yes! I used this to touch up a black anodized Vortex riflescope. The results are the scope looks brand new! Make sure to clean surface thoroughly first. I used an alcohol swab, then dry wipe with paper towel, then paper towel with a bit of dawn to degrease, then dry paper towel. I then used a large cotton swab to apply. I held it on for 30 seconds at a time with one minute breaks in between, for no more than 5 total times per scuff. Good luck!

Will this darken gold anodized aluminum??

Has to be clean, bare aluminum.

Will this only oxidize bare aluminum? Stone washed purple knife scales and want to darken up the bare (silver) aluminum coming through.

I used this to try and touch up a bare spot on a mossberg 500 shotgun. It actually etched the bare areas, and stripped off part of the remaining bluing(black). BUT after contacting mossberg I was told that their allow, and finish is not compatable with aluminum black. In short I cannot answer you're question except to say call the maker for a hint first..

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Birchwood Casey Fast-Drying Fast-Acting Aluminum Black Metal Finish for Restoring Scratched and Marred Areas, Gun Cleaning, 3 Ounce Bulk Each

Birchwood Casey Fast-Drying Fast-Acting Aluminum Black Metal Finish for Restoring Scratched and Marred Areas, Gun Cleaning, 3 Ounce Bulk Each

Product ID: 15845580

Details

Brand
Birchwood
Color
Black
Finish Type
Matte
Item Volume
90 ml
Paint Type
Oil
Size
3 Fl Oz (Pack

⚡Fast-acting formula

🖤Deep black matte finish

🌡️Room temperature application

¥4341

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Description

🖤 Restore. Renew. Rule the Range.

VERSATILE USE CASES - Perfect for gun parts, plaques, trophies, and any aluminum item needing a flawless black finish.
EFFORTLESS APPLICATION - Easy-to-use liquid formula designed for smooth, precise coverage on aluminum surfaces.
RAPID RESTORATION POWER - Revive scratched aluminum parts in minutes with a fast-drying, no-dim change formula.
INDUSTRY LEADING QUALITY - Crafted with premium materials and strict standards for durable, reliable metal restoration.
PROFESSIONAL GRADE FINISH - Achieve a sleek, deep gray to black matte finish trusted by gunsmiths since 1948.

Birchwood Casey Fast-Drying Aluminum Black Metal Finish is a professional-grade liquid solution designed to restore scratched and marred aluminum surfaces with a fast-acting, room temperature formula. Trusted by gunsmiths and collectors since 1948, it delivers a durable deep gray to black matte finish ideal for gun parts, plaques, and trophies. Easy to apply and crafted with industry-leading materials, this 3-ounce bottle offers a reliable, high-quality restoration for aluminum items.

Specifications

ASIN	B002JCW2CG
Age Range Description	Adult
Best Sellers Rank	#4,429 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #7 in Gun Lubrication
Brand Name	Birchwood Casey
Color	Black
Color Code	#333333
Container Type	Bottle
Customer Reviews	4.5 4.5 out of 5 stars (4,682)
Finish Type	Matte
Global Trade Identification Number	00029057151251
Included Components	see descritption
Indoor Outdoor Usage	Outdoor
Is Waterproof	False
Item Form	Liquid
Item Type Name	hunting-cleaning-and-maintenance-products
Item Volume	90 ml
Item Weight	85 g
Manufacturer	Birchwood Casey
Model Name	Fast-Drying Fast-Acting Aluminum Black Metal Finish for Restoring Scratched and Marred Areas
Model Number	BC-151
Paint Type	Oil
Part Number	BC-15125
Size	3 Fl Oz (Pack of 1)
Special Features	Works on aluminum and Sandium
Specific Uses For Product	Exterior
Surface Recommendation	Aluminum
UPC	029057151251
Unit Count	3 Fluid Ounces
Warranty Description	See manufacturer
Water Resistance Level	Not Water Resistant

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¥4341

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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