I reviewed the bullet being fired and the casing should be blown like that, but as you said only the tip should remain, but it does look cooler with the whole thing.
I just searched google sketchup for a bullet with trail, so thats the model I got.
I will try the texture thing, sounds like a good idea.
Killzone 2 bullet trailer
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I have mostly moved on from Alice, but may still respond to messages if important [¬º-°]¬