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**Unclenick** · March 11, 2013, 02:05 PM

I just went back and put one in. Here is another brand. This is the one I bought for blacking screws at work. It's just over $100 a gallon (minimum quantity), though they will send a sample if you pay the shipping fee. I suspect, from the descriptions, that this is where Caswell (my first link) is getting theirs and then is repackaging it into smaller containers. EPI also makes a mil-spec hot stainless blacking chemistry for those with bluing tanks.

March 11, 2013, 02:05 PM	#6
Unclenick Staff Join Date: March 4, 2005 Location: Ohio Posts: 21,063	I just went back and put one in. Here is another brand. This is the one I bought for blacking screws at work. It's just over $100 a gallon (minimum quantity), though they will send a sample if you pay the shipping fee. I suspect, from the descriptions, that this is where Caswell (my first link) is getting theirs and then is repackaging it into smaller containers. EPI also makes a mil-spec hot stainless blacking chemistry for those with bluing tanks. __________________ Gunsite Orange Hat Family Member CMP Certified GSM Master Instructor NRA Certified Rifle Instructor NRA Benefactor Member and Golden Eagle Last edited by Unclenick; March 11, 2013 at 02:28 PM.