Smith and Wesson M&P10 .308 WIN/ 7.62x51 **NEW IN BOX** Model: M&P10 Caliber: .308 WIN/7.62 x 51 Action: Gas Operated Semi-Automatic Capacity: 20 Rounds Barrel Length: 18” / 45.7 cm Barrel Twist: 1 in 10” 5R Rifling Trigger Pull: 6.15 LBS. +/- (2,789.6 g) Grip: Synthetic Stock: 6-Position CAR Overall Length: 40.9” (103.9 cm) Extended / 37.6” (95.5 cm) Collapsed Weight: 7.71 lbs. / 3,497.3 g Barrel Material: 4140 Steel Upper/Lower Material: 7075 T6 Aluminum Chrome-Lined Components: Gas Key, Bolt Carrier Finish: Matte Black ALL NEW 2014 Multiple uses. Zero compromises. Introducing the world's first .308 that comes in M&P. Easy to accessorize, hard to put down, the powerful new M&P10 makes short work of long range. Advanced by design, ahead by a mile. Close in on far away with the new M&P10. Other Features Ambidextrous magazine catch, bolt catch Reversible, ambidextrous safety selector Patented S&W enhanced flash hider Gas block with integral Picatinny-Style Rail QD Sling swivel attachment point (bottom of gas block) 5R rifling Maximum corrosion resistant barrel finish 9310 steel bolt Chromed firing pin