What's in the Box Smith & Wesson M&P15 Sport III 5.56mm Semi-Auto Rifle (1) 30-Round Magazine Cable Lock Owner's Manual Built to perform under various conditions, the M&P SPORT III rifle is as versatile as it is reliable. Engineered for a wide variety of recreation, sport shooting, and professional applications. The new SPORT III offers more options to accessorize than the previous generations. Lightweight and rugged, the SPORT III embodies the best combination of function and form. Featuring a forged, integral trigger guard, Armornite finish on the barrel, chromed firing pin, forward assist, and dust cover. Get unmatched value with the new M&P SPORT III. Firearm Features Receiver Made of 7075-T6 Aluminum Chromed Firing Pin Forged, Internal Trigger Guard Mid-Length Gas System Firearm Specifications Manufacturer: Smith & Wesson Model: 13807 Caliber: 5.56mm Barrel Length: 16" with Threaded Muzzle Twist Rate: 1:8" 5R Rifling Overall Length: 35" (Extended)-32" (Collapsed) Finish: Black Grips: Polymer Sights: None, Full-Length Picatinny Rail for Sights, Optics Magazine Capacity: 30-Rounds Additional Features: 15" Free-Floating M-LOK Handguard