To prevent temperature shifts, always keep your rifle in the shade during sunny competitions, use a thermometer on the scope and learn how your parallax readings shift with temperature. Some scopes move constantly, other ones seem to keep rangefinding then … Read More

Thumb screw adjustment: Hold the M4 nut with a wrench or pliers and rotate the thumb screw in small steps (1/8-1/4 turn at a time) then release the nut and test the thumb screw resistance until the optimal tension is … Read More

Linear stip version: The strip can be easily cut to size with a sharp blade. Most people just cut it to size to avoid mounts and zoom rings, but I’d suggest to cut it to size then use it as … Read More

2 Pins and 2 Pins Offset versions: The two pins offer numerous extra features like using your pointer for light/dark targets, or with fresh/fatigued eyes, or just reading the marks in the gap between the pins so that the pin … Read More