Birchwood Casey Aluminum Black pointers?

I'm going to help a friend work on used .22 Henry she was given by her sister. It looks to me like the gun was exposed to salt water because it has some pretty significant corrosion on the receiver and some of the other aluminum parts. The blued barrel is in surprisingly good shape and I think

BIRCHWOOD CASEY - Hunting, Shooting, Airguns, Scopes, Camo Clothing Store

Birchwood Casey Aluminum Black Metal Finish Liquid for Guns Two Absorbent Pads

Project RO727 - Birchwood Casey Aluminum Black - Hotel Whiskey

Update on Birchwood Casey aluminum black on thunder tactical a2 upper : r/RetroAR

Aluminum™Black Metal Finish, 3 fl. oz. Bottle - Birchwood Casey

Using Birchwood Casey Aluminum Black to Touch Up Defects in Aluminum

Birchwood Casey Gun Bluing Super Black Touch Up Pen Flat Black 1/3oz 29057151121

Birchwood Casey Aluminum Black Touch Up Pen

Wood Sealer and Filler - Jantz Supply

Birchwood Casey Aluminum Black Metal Finish Liquid for Guns Two Absorbent Pads

Birchwood Casey ALUMINUM BLACK TOUCH-UP 3 OUNCE Touch-Up Metal BC-15125

RRAGES Birchwood Casey Aluminum Black - 6 Pack Ghana

Birchwood Casey Metal Finishing Systems, Tel 952.937.7931

Bluing Birchwood Casey Aluminum Black 90 ml

Tried and used Birchwood Casey -- Aluminum Black

Birchwood Casey Aluminum Black Metal Finish - Top Gun Supply

Birchwood Casey Aluminum Black Metal Finish Touch-Up 3 oz-15125

Birchwood Casey Aluminum Black, Touch Up Pen, 6 Pack 15121, UPC