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12/2/2010 5:00:10 PM EDT
Just had my reciever milled from the old rounded, to the new square-style latch by Ratworx. got my STG stock done, too.  Plus an E4 stock fitted.  Both recievers fit perfect/tight. The work was very well done and I'm very happy with the finished product.  There's only one thing I would like to change:

The area of the reciever that was milled down is now bare silver metal. I would like some kind of black finish on there long term if just to give it a uniform blak look (not that yo see it when the gun is assembled) and maybe some long term corrosion resistance.

The bare metal area is aboue a 1-inch by 3-inch area at the bottom of my reciever where the take down latch engages the reciever. I'm not a fan of some of the cold blue products out there, but I also can't see refinishing the entire reciever for such a small area.  Anyone have any suggestions what I can do? I'm not familiar with the range of availible products out there.

Thanks,

Mike H
12/2/2010 5:19:49 PM EDT
[#1]
Its an aluminum receiver.  Its been said here a few times that MSAR used Gunkote flat black to finnish the rifles.  Brownells sells it in spray cans or you can buy it in liquid form and use a spray gun to apply. You can try the cheap route and use hi temp grill paint but it may scratch off easy.
12/2/2010 6:24:31 PM EDT
[#2]
Yeah, Gunkote is the stuff.  Using a spray can ought to be fine, just don't put it on too thick.
While you're at it, you might want to cover up the engraving for the logo and SN.  Why the time would be spent to hardcoat anodize, then Gunkote the receiver, only to engrave straight through to bare metal again is beyond me
If you still want it to contrast with the receiver, you could always fill the lettering in with white paint stick.
12/2/2010 7:05:12 PM EDT
[#3]
Does Gun Kote need to bake at all?  Or just a nice, ever coating and let her dry?

Just hard to imagine anything in a can holding up for very long.
12/2/2010 7:13:19 PM EDT
[#4]
Yes, bake it!  I think its about 350, can't remember for how long though.  It'll say on the can.
12/2/2010 7:25:44 PM EDT
[#5]
Birchwood Casey Aluminum Black.  Chemically colors the aluminum.  

I personally wouldn't worry about it though.  
12/2/2010 7:46:21 PM EDT
[#6]
Excellent!  Thanks guys.  I have a couple local shops that'll likley have it in the can and in stock.  I'll give it a shot this weekend.
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