Movies like Sniper: Ghost Shooter

Elite snipers Brandon Beckett (Chad Michael Collins) and Richard Miller (Billy Zane) tasked with protecting a Georgian gas pipeline from terrorists looking to make a statement. When the battle with the enemy starts it leads to snipers being killed by a ghost shooter who knows their exact location. Tensions boil as a security breach is suspected. Is there someone working with the enemy on the inside? Is the mission a front for other activity? Is the Colonel pulling the strings?