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A comment on California school shooting shines light on murky 'ghost gun' world. Parent comment

Re:California school shooting shines light on murky 'ghost g... by craftyguy on Wednesday November 27, 2019 @11:16PM (#21654539)
You can buy unfinished lowers ("80% lower receivers") with no serial number, since they are not yet functional lower receivers. It's really easy to buy these, and not too difficult to finish them. Then you have a 100% off the record firearm.
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Re:California school shooting shines light on murky 'ghost g... by digi59404 on Wednesday November 27, 2019 @11:52PM (#21654664)
You don’t even need to buy the lower. 3D Printed lowers work just find. In addition you can also just make a mold out of sand. Melt down a bunch of aluminum cans and cast a lower.

This stuff isn’t rocket science.

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Re:California school shooting shines light on murky 'ghost g... by madengr on Thursday November 28, 2019 @12:02AM (#21654713)
A cast lower would still require a non-trivial amount of machining to get it within tolerances. Forged lowers are still machined.
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Re:California school shooting shines light on murky 'ghost g... by mkhpalm on Thursday November 28, 2019 @12:59AM (#21654951)
I've seen people with no prior experience do it just fine. I feel like people underestimate what average humans are capable of with only meager determination.
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