Designed to fit 2017 or newer Christensen Arms right or left handed receivers (or any standard Remington 700 based action), Christensens in house One Piece Scope Base for STD Remington 700 actions will provide you the benefit of accurate shooting when you need it most. Black Anodized or Burnt Bronze Cerakote in both 0 MOA and 20 MOA configurations to help you reach the distance and the durability you expect in a Christensen Arms rifleFeatures : Available in either 0 or 20 MOA taper. Right Hand available in Black Anodize or Burnt Bronze Cerakote Left Hand available in Black Anodize Aluminum Weight: Short action 2.1 oz., Long action 2.35 oz. (with screws) Recommended torque specs: 25 in/lb