The M&P15-22 SPORT features a 1-inch M&P slim handguard that incorporates the popular Magpul M-LOK system. The M-LOK system allows rifle owners to easily customize their M&P15-22 SPORT by adding accessories without removing the handguard. It comes with removable Magpul MBUS front and rear folding sights are lightweight and durable, further enhancing the performance and value of the M&P15-22 SPORT.