Guns/Gadets going invisible + Audio going away.

This has now happened 3 games in a row and each one causes me to have to restart the game completely after because I can't even load into the next match. All Guns and gadgets go completely invisible as well as my character. The voice audio of the commander and teammates as well as the vehicle engine noises completely cuts out. This has been an issue since the Pre-Alpha and still hasn't been fixed.