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Backed up for posterity.
"You'll want nylon or pc for this part. you can make this with pla+, but I would use the anti walk pins that come in a kit. it will work for a little while, and you can use the mil spec springs on this part! 100% infil. and you can add a weight to the hammer, by drilling a hole in it and gluing a lead weight into it. also Not my original design, it's an open source file."
LBRY Tags: trigger; ar15
"You'll want nylon or pc for this part. you can make this with pla+, but I would use the anti walk pins that come in a kit. it will work for a little while, and you can use the mil spec springs on this part! 100% infil. and you can add a weight to the hammer, by drilling a hole in it and gluing a lead weight into it. also Not my original design, it's an open source file."
LBRY Tags: trigger; ar15