Receiver Blanks

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Answers to some common questions specific to receivers known as 80% receivers or unfinished receivers.

Are “80%” or “unfinished” receivers illegal?

Are some items being marketed as non-firearm "unfinished" or "80%" receivers actually considered firearms?

Are there restrictions on who can purchase receiver blanks?

Can functioning firearms made from receiver blanks be traced?

Have firearms made from unmarked receiver blanks been recovered after being used in a crime?

Is ATF aware of the receiver blanks, commonly referred to as 80% receivers?

What is an “80%” or “unfinished" receiver?

When does a receiver need to have markings and/or serial numbers?