The Smith Wesson MP10 is a versatile gas-operated semi-automatic rifle designed to be used in a variety of recreational sport and professional scenarios. Chambered in 308 Win (7.62x51) and 6.5 Creedmoor it is made with a steel barrel and T6 aluminum receiver with a hard-coat black anodized finish for both strength and durability along with a steel bolt and chrome firing pin. It features an ambidextrous magazine catch bolt catch and safety selector and 5R rifling. In addition to professional use the MP10 is a suitable choice for hunting and home defense. Details Action Semi Auto - Caliber .308 WIN7.62 x 51 - Capacity 10 - Finish Black - Material 93104140 Steel 7075 T6 Aluminum - Stock 6-Position CAR - Twist 110 - Barrel Length 18 - Overall Length 37.6 - 40.9 - Weight 8.1 lb - Multiple uses. Zero compromises. Introducing the worlds first .308 that comes in MP. Easy to accessorize hard to put down the powerful new MP10 makes short work of long range. Advanced by design ahead by a mile. Close in on far away with the new MP10. - Patent-Pending Enhanced Flash Hider - Ambi Safety Selector Lever - Ambi Magazine Release - Ambi Bolt Release - Mid-Length Gas System - Lightweight Profile Barrel