Magnumite, I shoot a DPMS LRT-SASS 308 (7.62 x51). The only ammunition that I shoot is 175 GR/HPBT LR M118. I shoot a lot and have attained .279 MOA groups at 100 yards. Scope is a Trijicon 5-20x50 and works well in combination with the gun. Additionally, I am shooting with the aid of the...