hitTest with many of same movieclips

Hello there…

Im making a game in which you controll a turret and it spews out bullets like mad…
Usually i know you would name each dupicalted movieclip sumthing like
“movieclipname”+nextnumber
But i was in this case hoping i could name em all “bullet” for the simplicity of hittesting
using
bullet1.duplicateMovieClip(“bullet1”, this.getNextHighestDepth(), {_x:bx, _y:by, xs:Xmov, ys:Ymov});

to duplicate

and

if(this.hitTest(_parent.bullet1)){ // is an onEnterFrame
trace(“wuuuuuuuuuu”);
to c if anything is happening

nothing however happens, i am not ceeing the trace message…
Can i not have many movieclips named the same, or is there somethign else i need to consider

Thanks