Quoted:
So if one had one of those DIAS pinned into a pre-ban Colt,and sold off the DIAS what the heck could he do with the remaining rifle?
Bob
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Now that my light bulb is getting brighter, the answer is that "he can't". The lower and the DIAS are as if they are 1 unit.
With a RDIAS, the little doohickey IS the machine gun and you can take it out and put it in any host lower that has the milspec dimensions for it.
With a wedded DIAS, if the lower is destroyed, the DIAS is worthless because you cannot use it in another lower.
If I'm wrong, someone correct me please.
Edited to add:
The dias's in the Shotgun News are sold legally, as a pre MG ban DIAS is legal to own (unless you happen to also own an AR as well)
Rumor has it that the whole thing is a BATF stig operation - which may be true.
Again, If I'm wrong, someone correct me please.