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. – Model M&P®15 SPORT III – Caliber 5.56 NATO/223 REM – Weight 6.52 lbs. (2957 g) – Stock 6-Position adjustable – Handguard Free-floating 15 M-LOK® – Grip Polymer – Top Rail Picatinny-style full-length – Width 2.5 (6.4 cm) – Barrel Length 16 (40.6 cm) Threaded muzzle – Overall Height 8 (20.3 cm) – Receiver(s) 7075-T6 Aluminum – Barrel Material 4140 Steel w/Armornite® finish – Overall Length 35 (89 cm) Extended 32 (81 cm) Collapsed – Action Gas operated Semi-auto – Other Bolt forward assist & Dust cover – Muzzle Device A2 Flash suppressor – Rifling 1:8 Twist 5R rifling