Sitting in an elevated hide filled with rat bones and owl feathers for three hours put our intrepid hunter in the perfect mood to kill something. As the light faded from afterglow to moonrise, RECOIL Feature Editor Rob Curtis clamped the pre-zeroed Insight LWTS clip-on thermal weapon sight to the rail of his 300 BLK-chambered AR just ahead of the EOTech Vudu 1-6x optic. He powered up the Insight, and the blackness turned to an inky gray world of lightly swaying grass in a 20-acre, lightly rolling, west Texas clearing.