The CDX-50 Tremor, a .50 caliber precision rifle built to military spec, is capable of delivering a huge payload accurately while maintaining very manageable recoil. The CDX-50 is a lightweight bolt action rifle that brings new technology to the 50 BMG of years gone by. This is the ultimate extreme range anti-material rifle. Specifications: Dimensions Unfolded: 51.5" x 4.6" x 8.4" Folded: 42.4" x 5.4" x 8.4" Weight: 22.6lbs With Muzzle Brake: 23.9lbs Caliber: .50 BMG Barrel Length: 32" Twist Rate: 1:15" Rifling: 8 Magazine Capacity: 5 Rounds