Like i told you in pm before, it's all about the timing. You're fx-life time is prob too long ( causing two fx' to show up, and it looking laggy when you move around quickly ) I use 15m miliseconds, so 0.015 as life-time in fx-ed. And loop the fx with a realwait(0.01). It's not to do with the materials, its just the timing..

I helped Scoba with FX, since he had issue of it flickering. Turned out he had set FX count 0 to 1. Maybe you have added random value as well, so it shows doubled, for example, 1 to 1?

hi all
I export lsat  from maya to cod,but when I get this weapon, the game is crashed and jumped out and this massage appear:
ERROR: dobj for xmodel ..causing the 128 bones exceeded
can anyone help me?

Sounds like your character model has a lot of bones, I am using Player Models from Town (Suit and Hazmat) and haven't had this issue but I remember reading that the weapon model (viewmodel) + player model count towards this 128 Limit, what character models are you using?

EDIT: mean viewhands, not character model, lmao.

thanks for replying
I am using default character( char_polonsky)

What about your viewhands?

my viewhands in game is default but in maya is viewmodel_usa_hazmat_arms
I rigged my model in maya that you said
I tried to delete some of joint of gun that not important and it worked but I have not good anim in reloading
maya:

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in game:

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SelectAllJoints;
string $stuff[] = `ls -sl`;

int $numbjoints = `size($stuff)`;

print("Number of Joints in the scene: "+ $numbjoints +"\n");

That's weird, with the rig included + hazmat for me it comes in at only 91 joints in the scene, far from the 128 limit:

Run this script that the bottom where it says "MEL" in Maya and see what joint count is:

SelectAllJoints;
string $stuff[] = `ls -sl`;

int $numbjoints = `size($stuff)`;

print("Number of Joints in the scene: "+ $numbjoints +"\n");

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finally I found my problem and fix this 
thanks

It would be great to know what you done to fix it in case others ran into the issue.