Caliber: 22 WMR - Stock Black Synthetic - Capacity 9 - Overall Length 35 - Barrel Length 16.10 - Front Sight None - Rear Sight None - Thread Pattern 1/2-28 - Length of Pull 13.75 - Weight 5.3 lb. - Material Alloy Steel - Finish Satin Blued - Twist 1:14 RH - Grooves 6 - Includes interchangeable standard length of pull high comb stock module ideal for use with optics. By simply removing the rear sling swivel stud stock module can be changed in seconds. - Includes the detachable flush-mounted JMX-1 9-round rotary magazine and accepts the BX-15