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

My past 12 months as a serious competitor was Nearly 20 years back—I had been among the last fellas I understood who was nonetheless taking pictures a M1A .308. I had been a Substantial Master and Distinguished Rifleman and received two one thousand garden regional services rifle championships throughout my time and observed no motive to change h