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9/22/2017 12:11:25 AM
Posted: 3/25/2006 6:33:36 PM EDT

Ok, I've bent my receivers and rivetted the trigger guard in place. Question is, when should I harden it? Can I go ahead and weld the rails and trim the upper / lower rails before hardening it? Seems if I harden it now I'll need to do it again after welding and trimming the rails.

Link Posted: 3/25/2006 6:54:16 PM EDT
The only things that I've hardened on my receivers were the pivot holes and the inside rails, so I imagine you can harden the receivers at any point prior to putting a finish on it and bringing it to the range. I would do the inside rails prior to spot welding them on though, just to simplify things.
Link Posted: 3/25/2006 7:11:04 PM EDT
[Last Edit: 3/26/2006 5:25:05 AM EDT by mykrowyre]
Ok, thanks. I guess I'll harden the rails and holes, and then harden the upper rails after I weld the lower rails in.

Link Posted: 3/29/2006 5:45:23 PM EDT
What's the best method for heat treating the receiver? (Pardon the noob question)
Link Posted: 4/3/2006 6:49:33 PM EDT
i want to know this as well .. how does one heat treat the reciever properly.
Link Posted: 4/3/2006 7:51:39 PM EDT
How do you heat treat??? Go here - from soup to nuts... it's good. http://www.surplusrifle.com/ak47/index.asp
Link Posted: 4/7/2006 6:42:12 PM EDT
A MAPP torch. Get the spots you want to treat red hot, then douse in water ( heat and douse one spot at a time). Then sand the blue color off each spot, heat each spot just until it turns blue agian, but before red. then let air-dry. If you get the red, redo the sanding and low-temp heat. You sand the metal so you can see when it turns blue again. Takes all of about 5 minutes.
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