Receiver Blanks

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

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?

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 blank?

Can functioning firearms made from receiver blanks be traced?

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