Cjisntgay presents to you:
Barrett M107CQ
replacing psg1 in the game
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Model credit goes to EA Monteral(Army of Two)
Editing and converting to GTAIV by cjisntgay
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noteworthy features:
no transparency problem
GTAIV style icon incorporated
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How to install:
First BACKUP all the stuff you want to edit or replace!
Then use SparkIV or OpenIV to open the archive "Grand Theft Auto IV\pc\models\cdimages\weapons.img" and replace w_psg1.wdr, w_psg1.wtd with the new same named new files provided.
After that browse Grand Theft Auto IV/common/data and open the following files with notepad, replace the following lines for the car you want to replace.

Enjoy with the gun after finishing the steps!

If you have opinions about this modification, leave your feedback at:gta4-mods.com.