The Model 82 is where the Barrett legacy began. Engineered as the first shoulder fired semi-automatic .50 BMG rifle, the Model 82A1 has been proven in combat in every environment from the snow covered mountains, to the desolate deserts, and everything in between. Its low felt recoil and reliable repower delivers on target with every pull of the trigger. More than just a rifle, the Model 82 is an American icon. Specifications Caliber: .50 BMG Operation: Recoil Operated, Semi-Automatic Barrel Length: 29" Twist Rate: 1:15" Overall Length: 57" Weight: 32.7 lbs Magazine Capacity: 10 Rounds Rail Length/MOA: 23" / 27 MOA Features Action- Semi-automatic recoil operated Receivers- Steel, accepts accessory rails, sling loops Barrel- 29" Fluted Bipod- Lightweight, quick detach, adjustable bipod Flip Up Iron Sights- Quick adjust flip up iron sights Rear Hand Grip- Read hand grip accepts adjustable monopods Carrying Handle- 23" 27 MOA M1913 rail with carrying handle