Ya I agre they just want you to be aware not to toss it on a stocked lower.. you also have to be careful about putting it on a AR that was originally (either first built or first sold) as a rifle.
Weird ATF rule.. Pistols can become rifles but not the other way around.
Just another reason to build your lower from a stripped receiver.. it's formed out as neither pistol nor rifle.
Also if your pistol upper is gonna share a lower with your rifle upper it's worth picking up a pistol buffer tube..
an orphan pistol upper could be construed as constructive possession of a SBR.. that's where they make a case that the only use for the upper is on the "butt stock'ed" rifle lower.
Although technically I don't think there is a legal requirement to have a pistol buffer tube on a pistol AR..
confused yet? me too..
Lowers are cheap to buy and build so for 100 bucks just get a stripped reciver, lower parts kit and pistol buffer tube and build it out as a pistol and problem solved.
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