What s in the Box S&W M&P15-22 Sport Rifle 25-Round Magazine 2 M-LOK Rail Panel with Allen Wrench Cable Lock Safety and Instruction Manual The 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 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 any number 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 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 new M&P15-22 SPORT. Firearm Features 10 M&P Slim Handguard with MAGPUL M-LOK MAGPUL MBUS Folding Sights Easy to Mount M-LOK Accessories MAGPUL MOE SL Stock (MOE Slim Line) MAGPUL MOE SL Grip MAGPUL M-LOK Type 2 Rail Covers (includes 6 panels, each covering one M-LOK Slot) 2 M-LOK Rail Panel Included 6-Position CAR Stock Functioning Charging Handle Shell Deflector 2-Position, Receiver Mounted Safety Lever Armornite Barrel Finish Compatible with most standard AR15 components and accessories Firearm Specifications SKU: 10210 Model: M&P 15-22 SPORT MOE SL Flat Dark Earth Caliber: .22 LR Capacity: 25 Safety: 2-Position, Receiver Mounted Safety Lever Barrel Length: 16.5" Overall Length: 33.8" Front Sight: Folding Magpul MBUS Rear Sight: Folding Magpul MBUS Action: Semi-Auto Blow Back Stock: Magpul MOE SL Stock (MOE Slim Line) Grip: Polymer Weight: 76.8 oz / 2,177.2g Barrel Material: Carbon Steel Frame Material: Polymer Barrel Twist: 1 in 15 Purpose: Recreational Shooting