Tell her you want to destroy them, or disable them and glue them to a board in the shape of a peace sign.
No wait, she's your sister so she knows how you roll....nevermind.
This is interesting, not sure what to make of it;
http://www.thetruthaboutguns.com/2013/02/daniel-zimmerman/magpul-breaks-bad-continues-sales-to-ban-state-leos/#more-205717
I saw a thread somewhere in which a LEO made a pretty good point. Bottom line was that he was only able to use his duty weapon while on duty. He had to use his own weapon for personal defense off duty. When faced with bad guys looking