The ATF views having all the parts to assemble an unregistered machinegun the same as having one already assembled. SBRs and MGs are both NFA weapons. I wouldn't test the waters.
what's the difference between a rifle lower and a pistol lower?
The ATF views having all the parts to assemble an unregistered machinegun the same as having one already assembled. SBRs and MGs are both NFA weapons. I wouldn't test the waters.