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

The safety sits about the remaining; two positions with ahead to fireplace and rear for Safe and sound with set off locked, but the bolt continue to totally free to function, followed by a rear Solid aluminium shroud with a decreased cocked indicator. Some of the more mature rifles have seen some complications with these shrouds but all is sorted a