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

My very last yr as a serious competitor was almost twenty years in the past—I used to be among the list of very last guys I knew who was continue to capturing a M1A .308. I was a High Learn and Distinguished Rifleman and gained two a thousand lawn regional support rifle championships throughout my time and observed no explanation to change horses