invisible things that will have clipping and creating a bullet

[Triggerhappy]

basically the title is the Q, but
1) does anyone know of an official addon (BIS for...someone who may be confused?) that is very likely to clip and isn't visible?

2) how do you camcreate a bullet?
while i'm on the subject, how does one get a bullet off of a fired EH?

[StonedSoldier]

2)  the fired EH execs this script

_man= _this select 0
_bullet= _this select 4

_bullet = nearestobject [_man,_bullet]