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The Water Cooler
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Printed AR-15
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<blockquote data-quote="aestus" data-source="post: 2009094" data-attributes="member: 2989"><p>The 3d printed lowers works for .22lr. There's a recent video trying the 5.7 round and after about 6 shots, the threaded ring portion of the lower that holds the buffer tube breaks off after 6 rounds.</p><p></p><p>Simply printing out a lower with the same exact dimensions as the aluminum lower will result in fail until the materials used in the printer gets stronger. The best bet is to build a lower. Shoot and abuse it until it breaks. Reinforce the broken area and repeat. Keep doing it until it's reliable, then design a new lower design with all the reinforced pieces as a new reliable 3d printable lower design.</p><p></p><p>Some buds of mine have access to a 3d printer, so I'm anxiously trying to get the time, materials, and money to go through this process myself.</p></blockquote><p></p>
[QUOTE="aestus, post: 2009094, member: 2989"] The 3d printed lowers works for .22lr. There's a recent video trying the 5.7 round and after about 6 shots, the threaded ring portion of the lower that holds the buffer tube breaks off after 6 rounds. Simply printing out a lower with the same exact dimensions as the aluminum lower will result in fail until the materials used in the printer gets stronger. The best bet is to build a lower. Shoot and abuse it until it breaks. Reinforce the broken area and repeat. Keep doing it until it's reliable, then design a new lower design with all the reinforced pieces as a new reliable 3d printable lower design. Some buds of mine have access to a 3d printer, so I'm anxiously trying to get the time, materials, and money to go through this process myself. [/QUOTE]
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