I bought a few multi caliber stripped AR lowers a while back and got around to building a couple the other night. 300 blackout and 556. When I bought them I filled out the 4473 but the dealer said I had to register them when they are a functioning firearm. I live in MA so I am not totally sure if I have to re register these or not. What if I build 10 uppers for the lowers all in different calibers? Thanks in advance for any input.
By the way I am not a pothead in case that subject comes up.
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By the way I am not a pothead in case that subject comes up.
Sent from my SM-N900V using USA Carry mobile app