Looks like that law is unenforceable

The Magazine Capacity limitation is now essentially unenforceable in Wash D.C.

Because David Gregory.

Not a chance that anyone else will be prosecuted..Unless they actually USE the magazine. Mere possession will no longer be prosecutable.

And if the police decide to try, all the defense attorney has to do is ask the judge if the law applies equally to everybody. Then show this video. Ask why they are there in court.

Case closed.