Caliber: 10mm Auto - Grip: Cushioned Rubber with Hardwood Insert - Front Sight: Ramp - Capacity: 6 - Twist: 1:16 RH - Overall Length: 13 - Rear Sight: Adjustable - Finish: Satin Stainless - Weight: 53 oz. - Barrel Length: 7.50 - Grooves: 6 - Triple-locking cylinder is locked into the frame at the front rear and bottom for more positive alignment and dependable operation shot after shot. - Corrosion-resistant stainless steel finish boasts the durability and reliability that is the hallmark of a Ruger