The S&W M&P15-22 Sport features a 10-inch M&P slim handguard that incorporates the popular Magpul M-LOK™ system. The M-LOK system allows rifle owners to easily customize their rifle by adding accessories without removing the handguard. Smith & Wesson includes a 2-inch M-LOK rail panel with each rifle.The M&P15-22 SPORT comes standard with one of the most popular folding sights systems available for MSRs. The removable Magpul MBUS front and rear folding sights are lightweight and durable, further enhancing the performance and value of the Smith & Wesson M&P 15-22 Sport. If you are looking for an economical AR-15 style 22LR rifle this rifle is for you!