screen on side of assualt rifle connected to camera on front of rifle to peek around corners

screen on top or side of assault rifle connected to camera on front of rifle, 

screen could be turned from top to either side of rifle, 

operator holds rifle sideways in front of him 

and points rifle around corner and watches screen, 

if target is visible on screen, 

then operator pulls trigger with thumb 

screen could be a regular mobile phone, 

rifle cameras are comercially available, 

similar systems are likely commercially available 

helmet mounted display or augmented reality glasses could be less practical in some situations