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Aluminum welding

A little specificity is needed here. Aluminum is a pesky material to play with, even under the best of conditions.

Do you know which alloy it is? A lot of them are practically un-weldable, especially the alloys used in AR-15's, et. al.
 
7075 used to be classed as un weldable as is 2024.. there are some unique methods to have it done..I'd suggest you talk with the best micro tig / laser welder I know.. Jim French with JMF welding over in Duluth. He has an FFL and does custom welding on firearms as well as industrial items.
 
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