The Matrix Crossbow String is built to withstand the rigors of hunting and outdoor activities, providing hunters with a reliable and long-lasting accessory that delivers consistent performance and durability even in challenging environments and conditions; This Versatile Archery Crossbow String is a replacement accessory that will fit all Matrix and Bulldog series crossbows such as Matrix 405, Matrix 380, Matrix 355, Matrix 310, Grizzly, GRZ2, Bulldog 400, Bulldog 380, Bulldog 440, Bulldog 330; Available in a variety of colors, including Black, Stingray Blue, Zombie Green, and Blood Red, the Excalibur Matrix Crossbow String allows hunters to customize their crossbows to their preferences; This crossbow string effectively minimizes string creep while increasing arrow velocity, ensuring precise and powerful shots during hunting and target shooting activities; The Matrix Crossbow String is constructed using the advanced BCY DynaFlight 97 material; This Versatile Matrix Crossbow String features a proprietary center serving which significantly increases string life; The structure of this Durable Crossbow String is crafted specially to deliver the best performance; Do more shooting and less tuning with this Reliable Matrix String; With a commitment to quality and performance, Excalibur Archery Accessories are trusted by hunters for their reliability, durability, and consistent performance, ensuring that every hunting trip with Excalibur equipment is backed by expert craftsmanship