They consist of a shaft or body made from aluminum, carbon, or a composite material. The shaft is topped with a target point or hunting broadhead designed for the intended use. Standard bolts come in varying lengths, weights, and levels of craftsmanship. Every crossbow bolt has some advantages and some disadvantages. The most important advantage of aluminum arrow is the accuracy. The most important advantage of carbon arrow is the fact that it is almost indestructible. However, this does not mean that you can shoot even into a stone.