WHAT DOES SMITH & WESSON M&P15 SPORT II SEMI-AUTO RIFLE MEAN?

My last calendar year as a serious competitor was almost twenty years ago—I used to be one of many last men I knew who was however shooting a M1A .308. I had been a Higher Grasp and Distinguished Rifleman and received two one thousand yard regional provider rifle championships in the course of my time and observed no explanation to vary horses.Th