According to IMFDB: A SEAL takes aim with his HK416 with the AN/PEQ-15 ATPIAL activated. Note that he appears to be wearing a set of GPNVG-18's (L-3 Ground Panoramic Night Vision Goggles).
The critically-acclaimed military drama Zero Dark Thirty is one of the first movies to portray the US Navy SEALs 2011-raid on Osama Bin Laden following a decade long manhunt. The film offers a compelling glimpse at the defense technologies critical to dangerous missions and the intensity of coordinating maneuvers in dark and unknown environments.