NOTE: I wrote this a little while ago and for some reason never posted it. I used this extensively on the weapons on RAD Soldiers it was part of one of the go to plugin chains I used. You can find it used on some of the guns here;
<INNITIATE OLD POST>
One little gem of a plug-in I've been using for a bit is Massey's: Tape Head
Send --> HPF @ 2xx hz--> Tapehead
and its really cheap!