Type: Gas-operated rotating bolt semiautomatic - Caliber: .44 Magnum - Barrel Length: 6 - Overall Length: 10.75 - Bore Diameter: .429 - Height: 6.25 - Slide Width: 1.25 - Construction: Black Hard Coat Alloy Frame with Full Weaver Style Accessory Rail Stainless Steel Slide and Barrel with 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 18 - Weight (Empty Magazine): 4 lbs. 6.6 oz. - Magazine Capacity: 8 rounds