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Old April 19th, 2011, 17:04   #8
Join Date: Feb 2009
Location: Baltimore, MD USA
The hobby mills that say they can mill aluminum can do shallow parts but nothing like milling out an AR-15 receiver or pistol frame from a block of aluminum. If you are thinking of something like the CNC Masters' Baron, which is just above the price range you listed, that has been used for slides and frames before but it takes a long time and many passes to mill out solid bock.
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