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Old May 22, 2013, 10:58 PM   #1
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Lower build screw up.

So i was in the middle of a lower build not paying attention and look what I did.
This I'm sorry to say was all on me.Any Ideas for repair or should I just ship her to the cutting block.Not really a big deal either way-It was just a cheap build and I'm already sitting on a bunch of lowers and complete rifles.but It just hurts my ego to let the collection go down by one.Any Ideas how I can cover this up?
Or just save the money and go replace it.
I think I'm just mad with myself over something so stupid!
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Old May 22, 2013, 11:11 PM   #2
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Leave it just like that and save it for winter use with heavy gloves?
Nothing a little plastic aluminum can't fix.
I once repaired a cracked and split timing chain cover with that stuff.
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Last edited by g.willikers; May 22, 2013 at 11:17 PM.
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Old May 22, 2013, 11:15 PM   #3
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Lower build screw up.

I'd try dremeling some material out of both pieces... Create a void. Then fill with a high strength epoxy. JB Weld, PC7, or similar. It's not a high stress connection. Trouble might be installing the pin, but I think I'd try to drill it out a few thousandths; it may help support the epoxy joint when assembled.
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Old May 23, 2013, 12:11 AM   #4
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If you have access to a mill, it's an easy fix, just mill that area flat, make a replacement ear tab, drill and tap for a small, fine thread screw to hold the ear on, then reshape the tab with the pin hole.
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Old May 24, 2013, 12:01 AM   #5
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Thanks guys for the help.But this sucks,I'm more mad at myself for this than anything-I do know better or at least i should.
Gonna leave it the way it is to remind me to be more careful in the future.

Last edited by ranchito457; May 24, 2013 at 07:25 AM.
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Old May 24, 2013, 01:19 PM   #6
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You may be able to TIG weld that back in place, cut the weld down by grinding/polishing, and then bead blast it to match the frame. If you can't do it yourself, find someone that's good with welding aluminum, and has a TIG setup. Just make sure that the tab is held in place to line up with the other side, and tack it well, front and back, before applying much weld.
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Old May 24, 2013, 04:48 PM   #7
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Have to go with Scorch or Dixigunsmithing on this one. If confronted with that, I would take enough out so there would be room to key the new piece in and counter sink the screw. Then locktite, assemble and press a small plug in over the screw hole. The plug need only be 1/16 thick after cutting off. Work the new piece down and drill pin hole. I used this system with other applications (Sometimes a dovetail in stead of key) and had good results.
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Old May 24, 2013, 05:09 PM   #8
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I always see someone at our gun-shows pushing something called dura-fix or dura-weld. Its like low heat brazing or soldering rods
used with hand held torch… Would something like that be worth a try?
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Old May 24, 2013, 05:32 PM   #9
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I don't think epoxy is going to be a reliable repair there. Not enough surface area to support it.

I agree- TIG the tab back on, grind it smooth and then refinish the lower.

Still cheaper than a new lower, even with prices getting back to normal.
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