Manufacturer: Smith & Wesson Model: M&P®10 Series Name: Volunteer X SKU: 13521 Caliber: 6.5 CREEDMOOR Action: Gas Operated Semi Auto Capacity: 20+1 Rounds Barrel Length: 16.0″ Threaded (40.6 cm) Rifling: 1:8″ Twist, 5R Rifling Front Sight: WGS Tactical Folding Sight Rear Sight: WGS Tactical Folding Sight Stock: B5 Systems SOPMOD Stock Grip: B5 Systems P-Grip 23 Pistol Grip Length of Pull: 12.5″ 16.0″ (31.8 – 40.6 cm) Width: 2.875″ (7.3 cm) Overall Height: 8.0″ (20.3 cm) Overall Length: 36.0″ (91.4 cm) Collapsed 39.3″ (99.8 cm) Extended Weight: 8.8 lbs. (3,991.7 g) Barrel Material: 4140 Steel Barrel Finish: Armornite Receiver Material: 7075 Aluminum Receiver Finish: Matte Black OTHER FEATURES – BCM Gunfighter forend with M-LOK – Flat-faced trigger – B5 Systems SOPMOD stock – PWS 762 muzzle brake – Williams Gun Sight Company folding sights – B5 Systems P-Grip 23 pistol grip – Ambidextrous Radian Raptor-LT charging handle – Ambidextrous safety selector, bolt release, and magazine release – Magpul Type-2 M-LOK rail covers included – Forward assist – Dust cover – Chromed firing pin – Forged, integral trigger guard – Armornite finish on barrel (internal and external)