WTf is that ??

like the shaders/shadows are flikering al the freeking time

there is no AA option in menu !

I have a nvidia 8800GTS 640 mb
with other games ok , but lomac OMG

i hate those flikcering when i look to my weapons in flight

i try every thing to get them away

strange very strange

poly wrong maded ?

Lock On uses the AA/AF settings set by the video card software.
My weapons in flight (or any thing else) do not flicker at all.
Your 8800GTS driver is 95% certainly causing the problem.