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

The protection sits to the left; two positions with forward to fire and rear for Safe and sound with cause locked, yet the bolt continue to free of charge to work, followed by a rear Forged aluminium shroud with a reduce cocked indicator. A few of the more mature rifles have noticed some complications with these shrouds but all has become sorted an