Get extra power out of your crossbow with the Easton Archery XX75 Magnum 2219 Crossbow Bolts. These bolts are made from magnum 7075 aerospace alloy, and provide power for hard-hitting penetration and accuracy. The XX75 alloy used to make these Easton Archery bolts allows easier target pull from high-density targets and provides plenty of downrange energy. These bolts are perfect for quiet shooting with modern high-powered crossbows.