The M&P15-22 SPORT features a 10-inch M&P slim handguard that incorporates the popular Magpul M-LOK(TM) system. The M-LOK system allows rifle owners to easily customize their M&P15-22 SPORT by adding accessories without removing the handguard. M&P15-22 SPORT owners have the option of easily mounting numerous M-LOK-compatible accessories or anynumber of Picatinny-style rail sections designed to accommodate other accessories. Smith & Wesson includes a 2-inch M-LOK rail panel with each rifle. The M&P15-22 SPORT comes standardwith one of the most popular folding sights systems available for MSRs. The removable Magpul MBUSA(R) front and rear folding sights are lightweight and durable, further enhancing the performance and value of the new M&P15-22 SPORT. 10" M&PA(R) Slim Handguard with MAGPULA(R) M-LOK(TM) MAGPULA(R) MBUSA(R) Folding Front and Rear Sights Easy to Mount M-LOK(TM) Accessories 2" M-LOK(TM) Rail Panel Included 6-Position CAR Stock Functioning Charging Handle Shell Deflector 2-Position, Receiver Mounted Safety Lever S&W Carry Case ImpactA(R) Sport Bluetooth 5.0 Electronic Shooting Earbud These Howard Leight Impact Sport Bluetooth electronic shooting earbuds deliver fast syncing to all your known devices, and with faster Bluetooth 5.0 technology, you can also make safe, hands-free phone calls, and stay connected with others at the range or on the hunt. Even more impressive - the extra speed does not result in excessive battery drain. The Bluetooth technology also features separate volume controls for independent or simultaneous use with the hear-through volume controls. When turned off and used simply as shooting earplugs, the noise reduction rating is an excellent 29dB. Once turned on, the earbuds actively listen and stop sound amplification when encountering loud impulse noises that exceed 85dB, such as gunfire. Environmental awareness is ensured as the shooting earbuds feature 6X sound amplification of low-level frequencies with eight different volume settings for a more natural, realistic hear-through in the field. Dual omnidirectional microphones further enhance safety, letting you know the direction of each sound. Soft, foam ear tips ensure long wearing comfort, and the flexible ear hook provides a secure fit. The 200mAh lithium battery offers ten hours of continuous run time.