can't get suppressed , reduced damage and recived accuracy
That's what it does. I'm more interested in what it's used for.
It sounds like a tool to boost your stats in an infantry fight and a tool to charge and kill HMGs head on. The first is fairly dull and the second is something I'm not sure infantry should have.
What if it was reworked into an infantry version of Brace? You get heavy damage reduction but the squad's accuracy and firing rate goes through the floor and you're immobilized on top of that.
That turns it into a tool for buying time. You won't win any one on one infantry fights with it but it allows you to stall while an allied squad moves in to support. You can't use it to kill an HMG head on but you can use it to survive its fire for a bit while a friendly squad flanks it. You could also use it as an indirect fire or grenade panic button - not as good as getting out of the way but better than staying put without it.