Type: Gas-operated rotating bolt semiautomatic - Caliber: .50 A.E. - Barrel Length: 6� - Overall Length: 10.75� - Bore Diameter: .495� - Height: 6.25� - Slide Width: 1.25� - Construction: Black Hard Coat Alloy Frame with Full Picatinny Rail Stainless Steel Slide and Barrel with Weaver Style Accessory Rail Integral Muzzle Brake and Black Appointments - Finish: Black Aluminum Frame / Stainless Steel Slide - Trigger: Single action approx. 4 lb. pull - Trigger Reach: 2.75� - Sight Radius: 8.5� - Sights: Combat type fixed - Polygonal Rifling w / Right Hand Twist 6 lands & grooves: 1 turn in 19� - Weight (Empty Magazine): 3 lbs. 7 oz. - Magazine Capacity: 7 rounds