Smith & Wesson Law Enf M&P 10, Semi-Automatic Rifle, 308 Winchester, 18 Threaded Barrel, Black Finish, 6 Position Collapsible Stock, 20 Rounds, 1 Magazine 311308 M&P10 Rifles are versatile, easily accessorized, and suitable for a wide variety of recreational, sport shooting and professional applications. Engineered with 5R Rifling and 1/10 Twist, the M&P10 is as accurate as it is powerful. Making short work of long range, M&P10 Rifles keep you at the ready.