![]() The cable works in tandem with the cams for the purpose of reinforcing the crossbow and adjusting its firing power. CableĪnother component that is exclusively found on compound crossbows. The shape dictates the draw force curve of a bow and how much energy is transferred and stored when the string is pulled back. These wheels can be round or oval shaped. This motion bends the limbs and stores a large amount of kinetic energy, which is then released once the trigger is pulled. The string is attached to the cams and when it is pulled back, the wheels turn. In a compound crossbow, cams are wheels mounted at the end of each limb. The string connects to the end of each limb. Limbs on a crossbow are much heavier than on a vertical bow because the power stroke in a crossbow can be more than half as short as a typical vertical bow. Limbs are longer in recurve bows than compound bows because the length is needed to create similar power to that generated in a compound crossbow. These are the ends of a horizontally mounted bow. Carbon fiber risers are also becoming an option. ![]() Some crossbows will feature a magnesium riser. Typically risers are made from cast aluminum or machined aluminum. It serves a primary purpose of holding the limbs of the bow at a certain angle. This is the section of the crossbow where the limbs attach. Carbon fiber barrels are also becoming more popular because they reduce overall weight on the crossbow. It is light and stronger than plastic and stays straight. Aluminum barrels are more common in higher end crossbows. Polymers or plastic are common material for barrels in cheaper bows. Barrels can be composed of multiple materials. This creates consistent accuracy each time you shoot. BarrelĪ component also known as a rail or track, the barrel features a grooved track on top that aligns a bolt with the string. Some crossbows feature a dual safety system. A safety prevents accidental release of a bolt and may engage manually or automatically once a crossbow is cocked. It is either located directly underneath the latch that holds the string in a cocked position or the latch mounted behind the trigger. Trigger mechanisms utilize two basic designs. The trigger is what releases the string and fires your bolt. Some crossbows feature removable foregrips or collapsible foregrips. It helps you steady your aim and keep lined up with your target. Foregrips help give you better control of your shot so that you don’t fire off an errant bolt as easily. Your aiming hand rests under this part of the crossbow. Stocks are available in many configurations. It serves as the functional base of the crossbow, tying the barrel, trigger and sight bridge together. A stock is usually composed of wood or is injection molded from plastic or other composite materials. It rests against a shooter’s shoulder when in use. The portion of the crossbow you hold, away from any danger points, when you shoot a bolt. How does each component of a crossbow work? Here’s an overview of each part and how it functions: A. It launches a bolt (or arrow) from the rail fixed on top of the barrel instead of firing a bullet. ![]() In its simplest form, a crossbow resembles a rifle with a horizontal bow mounted to the stock. These crossbows do share some common basic parts. Two different styles of crossbows exist – compound bows and recurve bows.
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