【Silicone material】 ●The friction force is large and the range is very long, but the ballistic stability is slightly worse than that of the rubber material. ●It is less sensitive to temperature and less prone to the so-called "cold gun effect". 【Bucking degrees】 ●60 degrees: Under normal conditions, it is recommended to use 60 degrees. ●️70 degrees: 70 degrees can be selected for high initial speed setting. ※The above are all basic principles of use, customer can still change various configurations and fine-tuning according to their usage habits. ※