Your hop-up will throw off your shot to the left or to the right very easily if your gun is not perfectly straight when fired. Essential for long range shooting, shooting around corners by tiling the rifle with precision and eliminates random shots hitting left or right of the crosshairs. Specifications: Color: Black case and green liquid. Material: Full Aluminum alloy. Ring Diameter: 1 inch (25.4mm) standard rifle scope diameter. Weight: 11g. Features: Matte black finish with green liquid. Aluminum alloy material. Mounts to the riflescope tube with 2 hex screws. Fits on the Swiss Arms 4×40 Scope. What’s Included: Scope level – 1inch(25.4mm) x1. Mounting screw x2. Hex tool.
